Home / 14,000,001.40-21,000,002.10-13,043,407.60

Finding the Fourth Proportional to 14,000,001.40, 21,000,002.10 and 13,043,407.60

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Solution

The fourth proportional to 14,000,001.40, 21,000,002.10 and 13,043,407.60 is: 19,565,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000,001.40 : 21,000,002.10 = 13,043,407.60 : x
  2. Step 2: Convert to fraction form
    14,000,001.40/21,000,002.10 = 13,043,407.60/x
  3. Step 3: Cross multiply
    14,000,001.40x = 21,000,002.10 × 13,043,407.60
  4. Step 4: Simplify right side
    14,000,001.40x = 273,911,586,991,155.97
  5. Step 5: Solve for x
    x = 273,911,586,991,155.97/14,000,001.40
  6. Step 6: Final answer
    x = 19,565,111.40

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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.