Home / 28,723,458.80-39,645,176.28-16,507,397.36

Finding the Fourth Proportional to 28,723,458.80, 39,645,176.28 and 16,507,397.36

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Solution

The fourth proportional to 28,723,458.80, 39,645,176.28 and 16,507,397.36 is: 22,784,118.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,723,458.80 : 39,645,176.28 = 16,507,397.36 : x
  2. Step 2: Convert to fraction form
    28,723,458.80/39,645,176.28 = 16,507,397.36/x
  3. Step 3: Cross multiply
    28,723,458.80x = 39,645,176.28 × 16,507,397.36
  4. Step 4: Simplify right side
    28,723,458.80x = 654,438,678,261,206.62
  5. Step 5: Solve for x
    x = 654,438,678,261,206.62/28,723,458.80
  6. Step 6: Final answer
    x = 22,784,118.13

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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.