Home / 15,554,346.30-23,331,519.45-9,878,643.90

Finding the Fourth Proportional to 15,554,346.30, 23,331,519.45 and 9,878,643.90

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Solution

The fourth proportional to 15,554,346.30, 23,331,519.45 and 9,878,643.90 is: 14,817,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554,346.30 : 23,331,519.45 = 9,878,643.90 : x
  2. Step 2: Convert to fraction form
    15,554,346.30/23,331,519.45 = 9,878,643.90/x
  3. Step 3: Cross multiply
    15,554,346.30x = 23,331,519.45 × 9,878,643.90
  4. Step 4: Simplify right side
    15,554,346.30x = 230,483,772,292,473.84
  5. Step 5: Solve for x
    x = 230,483,772,292,473.84/15,554,346.30
  6. Step 6: Final answer
    x = 14,817,965.85

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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.