Home / 12,564,889-17,337,658.08-7,057,208.74

Finding the Fourth Proportional to 12,564,889, 17,337,658.08 and 7,057,208.74

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Solution

The fourth proportional to 12,564,889, 17,337,658.08 and 7,057,208.74 is: 9,737,887.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,564,889 : 17,337,658.08 = 7,057,208.74 : x
  2. Step 2: Convert to fraction form
    12,564,889/17,337,658.08 = 7,057,208.74/x
  3. Step 3: Cross multiply
    12,564,889x = 17,337,658.08 × 7,057,208.74
  4. Step 4: Simplify right side
    12,564,889x = 122,355,472,133,307.61
  5. Step 5: Solve for x
    x = 122,355,472,133,307.61/12,564,889
  6. Step 6: Final answer
    x = 9,737,887.23

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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.