Home / 42,687,702.51-64,033,325.37-12,395,565.51

Finding the Fourth Proportional to 42,687,702.51, 64,033,325.37 and 12,395,565.51

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Solution

The fourth proportional to 42,687,702.51, 64,033,325.37 and 12,395,565.51 is: 18,593,862.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,687,702.51 : 64,033,325.37 = 12,395,565.51 : x
  2. Step 2: Convert to fraction form
    42,687,702.51/64,033,325.37 = 12,395,565.51/x
  3. Step 3: Cross multiply
    42,687,702.51x = 64,033,325.37 × 12,395,565.51
  4. Step 4: Simplify right side
    42,687,702.51x = 793,729,279,446,980
  5. Step 5: Solve for x
    x = 793,729,279,446,980/42,687,702.51
  6. Step 6: Final answer
    x = 18,593,862.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.