Home / 14,144,001.60-21,216,002.40-5,174,990.40

Finding the Fourth Proportional to 14,144,001.60, 21,216,002.40 and 5,174,990.40

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Solution

The fourth proportional to 14,144,001.60, 21,216,002.40 and 5,174,990.40 is: 7,762,485.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144,001.60 : 21,216,002.40 = 5,174,990.40 : x
  2. Step 2: Convert to fraction form
    14,144,001.60/21,216,002.40 = 5,174,990.40/x
  3. Step 3: Cross multiply
    14,144,001.60x = 21,216,002.40 × 5,174,990.40
  4. Step 4: Simplify right side
    14,144,001.60x = 109,792,608,746,376.95
  5. Step 5: Solve for x
    x = 109,792,608,746,376.95/14,144,001.60
  6. Step 6: Final answer
    x = 7,762,485.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.