Home / 19,423,071.80-29,134,607.70-6,642,438.20

Finding the Fourth Proportional to 19,423,071.80, 29,134,607.70 and 6,642,438.20

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Solution

The fourth proportional to 19,423,071.80, 29,134,607.70 and 6,642,438.20 is: 9,963,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423,071.80 : 29,134,607.70 = 6,642,438.20 : x
  2. Step 2: Convert to fraction form
    19,423,071.80/29,134,607.70 = 6,642,438.20/x
  3. Step 3: Cross multiply
    19,423,071.80x = 29,134,607.70 × 6,642,438.20
  4. Step 4: Simplify right side
    19,423,071.80x = 193,524,831,128,494.12
  5. Step 5: Solve for x
    x = 193,524,831,128,494.12/19,423,071.80
  6. Step 6: Final answer
    x = 9,963,657.30

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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.