Home / 10,368,034.90-15,559,828.35-5,316,745.30

Finding the Fourth Proportional to 10,368,034.90, 15,559,828.35 and 5,316,745.30

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Solution

The fourth proportional to 10,368,034.90, 15,559,828.35 and 5,316,745.30 is: 7,979,105.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,034.90 : 15,559,828.35 = 5,316,745.30 : x
  2. Step 2: Convert to fraction form
    10,368,034.90/15,559,828.35 = 5,316,745.30/x
  3. Step 3: Cross multiply
    10,368,034.90x = 15,559,828.35 × 5,316,745.30
  4. Step 4: Simplify right side
    10,368,034.90x = 82,727,644,248,669.25
  5. Step 5: Solve for x
    x = 82,727,644,248,669.25/10,368,034.90
  6. Step 6: Final answer
    x = 7,979,105.50

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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.