Home / 26,385,428.40-39,564,145.80-9,346,657.20

Finding the Fourth Proportional to 26,385,428.40, 39,564,145.80 and 9,346,657.20

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Solution

The fourth proportional to 26,385,428.40, 39,564,145.80 and 9,346,657.20 is: 14,015,027.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,385,428.40 : 39,564,145.80 = 9,346,657.20 : x
  2. Step 2: Convert to fraction form
    26,385,428.40/39,564,145.80 = 9,346,657.20/x
  3. Step 3: Cross multiply
    26,385,428.40x = 39,564,145.80 × 9,346,657.20
  4. Step 4: Simplify right side
    26,385,428.40x = 369,792,508,203,419.69
  5. Step 5: Solve for x
    x = 369,792,508,203,419.69/26,385,428.40
  6. Step 6: Final answer
    x = 14,015,027.64

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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.