Home / 52,689,372.81-72,712,195.36-28,846,602.22

Finding the Fourth Proportional to 52,689,372.81, 72,712,195.36 and 28,846,602.22

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Solution

The fourth proportional to 52,689,372.81, 72,712,195.36 and 28,846,602.22 is: 39,808,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,689,372.81 : 72,712,195.36 = 28,846,602.22 : x
  2. Step 2: Convert to fraction form
    52,689,372.81/72,712,195.36 = 28,846,602.22/x
  3. Step 3: Cross multiply
    52,689,372.81x = 72,712,195.36 × 28,846,602.22
  4. Step 4: Simplify right side
    52,689,372.81x = 2,097,499,775,892,423.50
  5. Step 5: Solve for x
    x = 2,097,499,775,892,423.50/52,689,372.81
  6. Step 6: Final answer
    x = 39,808,782.38

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Double scale
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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.