Home / 12,564,888-17,337,656.70-7,057,207.74

Finding the Fourth Proportional to 12,564,888, 17,337,656.70 and 7,057,207.74

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Solution

The fourth proportional to 12,564,888, 17,337,656.70 and 7,057,207.74 is: 9,737,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,564,888 : 17,337,656.70 = 7,057,207.74 : x
  2. Step 2: Convert to fraction form
    12,564,888/17,337,656.70 = 7,057,207.74/x
  3. Step 3: Cross multiply
    12,564,888x = 17,337,656.70 × 7,057,207.74
  4. Step 4: Simplify right side
    12,564,888x = 122,355,445,056,702.86
  5. Step 5: Solve for x
    x = 122,355,445,056,702.86/12,564,888
  6. Step 6: Final answer
    x = 9,737,885.85

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1.5x scale

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.