Home / 10,368,428.70-15,552,643.05-5,814,803.10

Finding the Fourth Proportional to 10,368,428.70, 15,552,643.05 and 5,814,803.10

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Solution

The fourth proportional to 10,368,428.70, 15,552,643.05 and 5,814,803.10 is: 8,722,204.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,428.70 : 15,552,643.05 = 5,814,803.10 : x
  2. Step 2: Convert to fraction form
    10,368,428.70/15,552,643.05 = 5,814,803.10/x
  3. Step 3: Cross multiply
    10,368,428.70x = 15,552,643.05 × 5,814,803.10
  4. Step 4: Simplify right side
    10,368,428.70x = 90,435,557,020,333.45
  5. Step 5: Solve for x
    x = 90,435,557,020,333.45/10,368,428.70
  6. Step 6: Final answer
    x = 8,722,204.65

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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.