Home / 19,653,005.70-29,506,080.60-12,478,552.20

Finding the Fourth Proportional to 19,653,005.70, 29,506,080.60 and 12,478,552.20

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Solution

The fourth proportional to 19,653,005.70, 29,506,080.60 and 12,478,552.20 is: 18,734,700.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653,005.70 : 29,506,080.60 = 12,478,552.20 : x
  2. Step 2: Convert to fraction form
    19,653,005.70/29,506,080.60 = 12,478,552.20/x
  3. Step 3: Cross multiply
    19,653,005.70x = 29,506,080.60 × 12,478,552.20
  4. Step 4: Simplify right side
    19,653,005.70x = 368,193,166,984,507.31
  5. Step 5: Solve for x
    x = 368,193,166,984,507.31/19,653,005.70
  6. Step 6: Final answer
    x = 18,734,700.06

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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.