Home / 9,892,001.20-14,838,001.80-4,212,799.60

Finding the Fourth Proportional to 9,892,001.20, 14,838,001.80 and 4,212,799.60

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Solution

The fourth proportional to 9,892,001.20, 14,838,001.80 and 4,212,799.60 is: 6,319,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,892,001.20 : 14,838,001.80 = 4,212,799.60 : x
  2. Step 2: Convert to fraction form
    9,892,001.20/14,838,001.80 = 4,212,799.60/x
  3. Step 3: Cross multiply
    9,892,001.20x = 14,838,001.80 × 4,212,799.60
  4. Step 4: Simplify right side
    9,892,001.20x = 62,509,528,047,839.28
  5. Step 5: Solve for x
    x = 62,509,528,047,839.28/9,892,001.20
  6. Step 6: Final answer
    x = 6,319,199.40

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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.