Home / 10,523,866.78-15,688,521.05-10,358,027.20

Finding the Fourth Proportional to 10,523,866.78, 15,688,521.05 and 10,358,027.20

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Solution

The fourth proportional to 10,523,866.78, 15,688,521.05 and 10,358,027.20 is: 15,441,294.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,523,866.78 : 15,688,521.05 = 10,358,027.20 : x
  2. Step 2: Convert to fraction form
    10,523,866.78/15,688,521.05 = 10,358,027.20/x
  3. Step 3: Cross multiply
    10,523,866.78x = 15,688,521.05 × 10,358,027.20
  4. Step 4: Simplify right side
    10,523,866.78x = 162,502,127,763,672.56
  5. Step 5: Solve for x
    x = 162,502,127,763,672.56/10,523,866.78
  6. Step 6: Final answer
    x = 15,441,294.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.