Home / 10,368,977.70-15,553,466.55-9,921,080.10

Finding the Fourth Proportional to 10,368,977.70, 15,553,466.55 and 9,921,080.10

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Solution

The fourth proportional to 10,368,977.70, 15,553,466.55 and 9,921,080.10 is: 14,881,620.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,977.70 : 15,553,466.55 = 9,921,080.10 : x
  2. Step 2: Convert to fraction form
    10,368,977.70/15,553,466.55 = 9,921,080.10/x
  3. Step 3: Cross multiply
    10,368,977.70x = 15,553,466.55 × 9,921,080.10
  4. Step 4: Simplify right side
    10,368,977.70x = 154,307,187,475,220.66
  5. Step 5: Solve for x
    x = 154,307,187,475,220.66/10,368,977.70
  6. Step 6: Final answer
    x = 14,881,620.15

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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.