Home / 40,745,345.28-61,143,156.93-18,881,649.27

Finding the Fourth Proportional to 40,745,345.28, 61,143,156.93 and 18,881,649.27

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Solution

The fourth proportional to 40,745,345.28, 61,143,156.93 and 18,881,649.27 is: 28,334,123.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,745,345.28 : 61,143,156.93 = 18,881,649.27 : x
  2. Step 2: Convert to fraction form
    40,745,345.28/61,143,156.93 = 18,881,649.27/x
  3. Step 3: Cross multiply
    40,745,345.28x = 61,143,156.93 × 18,881,649.27
  4. Step 4: Simplify right side
    40,745,345.28x = 1,154,483,644,365,625.75
  5. Step 5: Solve for x
    x = 1,154,483,644,365,625.75/40,745,345.28
  6. Step 6: Final answer
    x = 28,334,123.48

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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.