Home / 40,572,638.47-55,991,595.15-22,237,970.95

Finding the Fourth Proportional to 40,572,638.47, 55,991,595.15 and 22,237,970.95

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Solution

The fourth proportional to 40,572,638.47, 55,991,595.15 and 22,237,970.95 is: 30,689,142.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,572,638.47 : 55,991,595.15 = 22,237,970.95 : x
  2. Step 2: Convert to fraction form
    40,572,638.47/55,991,595.15 = 22,237,970.95/x
  3. Step 3: Cross multiply
    40,572,638.47x = 55,991,595.15 × 22,237,970.95
  4. Step 4: Simplify right side
    40,572,638.47x = 1,245,139,465,998,713.25
  5. Step 5: Solve for x
    x = 1,245,139,465,998,713.25/40,572,638.47
  6. Step 6: Final answer
    x = 30,689,142.07

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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.