Home / 8,759,428.79-12,000,216.65-8,431,937.07

Finding the Fourth Proportional to 8,759,428.79, 12,000,216.65 and 8,431,937.07

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Solution

The fourth proportional to 8,759,428.79, 12,000,216.65 and 8,431,937.07 is: 11,551,560.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759,428.79 : 12,000,216.65 = 8,431,937.07 : x
  2. Step 2: Convert to fraction form
    8,759,428.79/12,000,216.65 = 8,431,937.07/x
  3. Step 3: Cross multiply
    8,759,428.79x = 12,000,216.65 × 8,431,937.07
  4. Step 4: Simplify right side
    8,759,428.79x = 101,185,071,577,006.53
  5. Step 5: Solve for x
    x = 101,185,071,577,006.53/8,759,428.79
  6. Step 6: Final answer
    x = 11,551,560.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.