Home / 40,423,742.10-60,638,237.55-21,291,866.10

Finding the Fourth Proportional to 40,423,742.10, 60,638,237.55 and 21,291,866.10

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Solution

The fourth proportional to 40,423,742.10, 60,638,237.55 and 21,291,866.10 is: 31,939,181.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,423,742.10 : 60,638,237.55 = 21,291,866.10 : x
  2. Step 2: Convert to fraction form
    40,423,742.10/60,638,237.55 = 21,291,866.10/x
  3. Step 3: Cross multiply
    40,423,742.10x = 60,638,237.55 × 21,291,866.10
  4. Step 4: Simplify right side
    40,423,742.10x = 1,291,101,234,454,592
  5. Step 5: Solve for x
    x = 1,291,101,234,454,592/40,423,742.10
  6. Step 6: Final answer
    x = 31,939,181.47

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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.