Home / 28,380,686.04-39,165,384.60-16,157,543.04

Finding the Fourth Proportional to 28,380,686.04, 39,165,384.60 and 16,157,543.04

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Solution

The fourth proportional to 28,380,686.04, 39,165,384.60 and 16,157,543.04 is: 22,297,430.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,380,686.04 : 39,165,384.60 = 16,157,543.04 : x
  2. Step 2: Convert to fraction form
    28,380,686.04/39,165,384.60 = 16,157,543.04/x
  3. Step 3: Cross multiply
    28,380,686.04x = 39,165,384.60 × 16,157,543.04
  4. Step 4: Simplify right side
    28,380,686.04x = 632,816,387,352,653.12
  5. Step 5: Solve for x
    x = 632,816,387,352,653.12/28,380,686.04
  6. Step 6: Final answer
    x = 22,297,430.95

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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.