Home / 10,513,689.47-14,515,459.62-8,061,589.84

Finding the Fourth Proportional to 10,513,689.47, 14,515,459.62 and 8,061,589.84

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Solution

The fourth proportional to 10,513,689.47, 14,515,459.62 and 8,061,589.84 is: 11,130,030.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513,689.47 : 14,515,459.62 = 8,061,589.84 : x
  2. Step 2: Convert to fraction form
    10,513,689.47/14,515,459.62 = 8,061,589.84/x
  3. Step 3: Cross multiply
    10,513,689.47x = 14,515,459.62 × 8,061,589.84
  4. Step 4: Simplify right side
    10,513,689.47x = 117,017,681,759,233.61
  5. Step 5: Solve for x
    x = 117,017,681,759,233.61/10,513,689.47
  6. Step 6: Final answer
    x = 11,130,030.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.