Home / 8,605,620.09-12,904,312.91-5,012,411.76

Finding the Fourth Proportional to 8,605,620.09, 12,904,312.91 and 5,012,411.76

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Solution

The fourth proportional to 8,605,620.09, 12,904,312.91 and 5,012,411.76 is: 7,516,219.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,605,620.09 : 12,904,312.91 = 5,012,411.76 : x
  2. Step 2: Convert to fraction form
    8,605,620.09/12,904,312.91 = 5,012,411.76/x
  3. Step 3: Cross multiply
    8,605,620.09x = 12,904,312.91 × 5,012,411.76
  4. Step 4: Simplify right side
    8,605,620.09x = 64,681,729,759,741.76
  5. Step 5: Solve for x
    x = 64,681,729,759,741.76/8,605,620.09
  6. Step 6: Final answer
    x = 7,516,219.53

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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.