Home / 15,045,731.19-20,762,812.49-8,851,447.35

Finding the Fourth Proportional to 15,045,731.19, 20,762,812.49 and 8,851,447.35

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Solution

The fourth proportional to 15,045,731.19, 20,762,812.49 and 8,851,447.35 is: 12,214,822.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,045,731.19 : 20,762,812.49 = 8,851,447.35 : x
  2. Step 2: Convert to fraction form
    15,045,731.19/20,762,812.49 = 8,851,447.35/x
  3. Step 3: Cross multiply
    15,045,731.19x = 20,762,812.49 × 8,851,447.35
  4. Step 4: Simplify right side
    15,045,731.19x = 183,780,941,548,900.16
  5. Step 5: Solve for x
    x = 183,780,941,548,900.16/15,045,731.19
  6. Step 6: Final answer
    x = 12,214,822.88

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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.