Home / 19,720,479.60-29,580,719.40-13,225,964.40

Finding the Fourth Proportional to 19,720,479.60, 29,580,719.40 and 13,225,964.40

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Solution

The fourth proportional to 19,720,479.60, 29,580,719.40 and 13,225,964.40 is: 19,838,946.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720,479.60 : 29,580,719.40 = 13,225,964.40 : x
  2. Step 2: Convert to fraction form
    19,720,479.60/29,580,719.40 = 13,225,964.40/x
  3. Step 3: Cross multiply
    19,720,479.60x = 29,580,719.40 × 13,225,964.40
  4. Step 4: Simplify right side
    19,720,479.60x = 391,233,541,710,789.38
  5. Step 5: Solve for x
    x = 391,233,541,710,789.38/19,720,479.60
  6. Step 6: Final answer
    x = 19,838,946.60

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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.