Home / 13,287,904.20-19,931,856.30-7,225,540.20

Finding the Fourth Proportional to 13,287,904.20, 19,931,856.30 and 7,225,540.20

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Solution

The fourth proportional to 13,287,904.20, 19,931,856.30 and 7,225,540.20 is: 10,838,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,904.20 : 19,931,856.30 = 7,225,540.20 : x
  2. Step 2: Convert to fraction form
    13,287,904.20/19,931,856.30 = 7,225,540.20/x
  3. Step 3: Cross multiply
    13,287,904.20x = 19,931,856.30 × 7,225,540.20
  4. Step 4: Simplify right side
    13,287,904.20x = 144,018,428,956,273.28
  5. Step 5: Solve for x
    x = 144,018,428,956,273.28/13,287,904.20
  6. Step 6: Final answer
    x = 10,838,310.30

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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.