Home / 15,872,814.67-21,904,393.89-8,808,337.18

Finding the Fourth Proportional to 15,872,814.67, 21,904,393.89 and 8,808,337.18

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Solution

The fourth proportional to 15,872,814.67, 21,904,393.89 and 8,808,337.18 is: 12,155,455.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,872,814.67 : 21,904,393.89 = 8,808,337.18 : x
  2. Step 2: Convert to fraction form
    15,872,814.67/21,904,393.89 = 8,808,337.18/x
  3. Step 3: Cross multiply
    15,872,814.67x = 21,904,393.89 × 8,808,337.18
  4. Step 4: Simplify right side
    15,872,814.67x = 192,941,287,106,651.84
  5. Step 5: Solve for x
    x = 192,941,287,106,651.84/15,872,814.67
  6. Step 6: Final answer
    x = 12,155,455.17

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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.