Home / 51,877,296.42-77,829,587.32-18,643,865.16

Finding the Fourth Proportional to 51,877,296.42, 77,829,587.32 and 18,643,865.16

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Solution

The fourth proportional to 51,877,296.42, 77,829,587.32 and 18,643,865.16 is: 27,970,700.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,877,296.42 : 77,829,587.32 = 18,643,865.16 : x
  2. Step 2: Convert to fraction form
    51,877,296.42/77,829,587.32 = 18,643,865.16/x
  3. Step 3: Cross multiply
    51,877,296.42x = 77,829,587.32 × 18,643,865.16
  4. Step 4: Simplify right side
    51,877,296.42x = 1,451,044,331,170,120.25
  5. Step 5: Solve for x
    x = 1,451,044,331,170,120.25/51,877,296.42
  6. Step 6: Final answer
    x = 27,970,700.70

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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.