Home / 28,513,354.16-42,755,881.26-9,080,047.64

Finding the Fourth Proportional to 28,513,354.16, 42,755,881.26 and 9,080,047.64

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Solution

The fourth proportional to 28,513,354.16, 42,755,881.26 and 9,080,047.64 is: 13,615,565.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,513,354.16 : 42,755,881.26 = 9,080,047.64 : x
  2. Step 2: Convert to fraction form
    28,513,354.16/42,755,881.26 = 9,080,047.64/x
  3. Step 3: Cross multiply
    28,513,354.16x = 42,755,881.26 × 9,080,047.64
  4. Step 4: Simplify right side
    28,513,354.16x = 388,225,438,730,983.25
  5. Step 5: Solve for x
    x = 388,225,438,730,983.25/28,513,354.16
  6. Step 6: Final answer
    x = 13,615,565.41

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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.