Home / 19,430,117.90-29,121,848.85-8,064,716.30

Finding the Fourth Proportional to 19,430,117.90, 29,121,848.85 and 8,064,716.30

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Solution

The fourth proportional to 19,430,117.90, 29,121,848.85 and 8,064,716.30 is: 12,087,391.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430,117.90 : 29,121,848.85 = 8,064,716.30 : x
  2. Step 2: Convert to fraction form
    19,430,117.90/29,121,848.85 = 8,064,716.30/x
  3. Step 3: Cross multiply
    19,430,117.90x = 29,121,848.85 × 8,064,716.30
  4. Step 4: Simplify right side
    19,430,117.90x = 234,859,449,106,731.25
  5. Step 5: Solve for x
    x = 234,859,449,106,731.25/19,430,117.90
  6. Step 6: Final answer
    x = 12,087,391.87

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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.