Home / 10,872,001.80-15,003,372.08-5,977,307.16

Finding the Fourth Proportional to 10,872,001.80, 15,003,372.08 and 5,977,307.16

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Solution

The fourth proportional to 10,872,001.80, 15,003,372.08 and 5,977,307.16 is: 8,248,689.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872,001.80 : 15,003,372.08 = 5,977,307.16 : x
  2. Step 2: Convert to fraction form
    10,872,001.80/15,003,372.08 = 5,977,307.16/x
  3. Step 3: Cross multiply
    10,872,001.80x = 15,003,372.08 × 5,977,307.16
  4. Step 4: Simplify right side
    10,872,001.80x = 89,679,763,357,928.09
  5. Step 5: Solve for x
    x = 89,679,763,357,928.09/10,872,001.80
  6. Step 6: Final answer
    x = 8,248,689.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.