Home / 19,656,003.40-29,484,005.10-12,499,264.60

Finding the Fourth Proportional to 19,656,003.40, 29,484,005.10 and 12,499,264.60

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Solution

The fourth proportional to 19,656,003.40, 29,484,005.10 and 12,499,264.60 is: 18,748,896.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,656,003.40 : 29,484,005.10 = 12,499,264.60 : x
  2. Step 2: Convert to fraction form
    19,656,003.40/29,484,005.10 = 12,499,264.60/x
  3. Step 3: Cross multiply
    19,656,003.40x = 29,484,005.10 × 12,499,264.60
  4. Step 4: Simplify right side
    19,656,003.40x = 368,528,381,212,649.44
  5. Step 5: Solve for x
    x = 368,528,381,212,649.44/19,656,003.40
  6. Step 6: Final answer
    x = 18,748,896.90

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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.