Home / 8,781,846.40-13,151,774.40-7,102,230.40

Finding the Fourth Proportional to 8,781,846.40, 13,151,774.40 and 7,102,230.40

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Solution

The fourth proportional to 8,781,846.40, 13,151,774.40 and 7,102,230.40 is: 10,636,365.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781,846.40 : 13,151,774.40 = 7,102,230.40 : x
  2. Step 2: Convert to fraction form
    8,781,846.40/13,151,774.40 = 7,102,230.40/x
  3. Step 3: Cross multiply
    8,781,846.40x = 13,151,774.40 × 7,102,230.40
  4. Step 4: Simplify right side
    8,781,846.40x = 93,406,931,957,621.77
  5. Step 5: Solve for x
    x = 93,406,931,957,621.77/8,781,846.40
  6. Step 6: Final answer
    x = 10,636,365.94

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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.