Home / 8,742,005.20-13,124,817.60-5,553,359.20

Finding the Fourth Proportional to 8,742,005.20, 13,124,817.60 and 5,553,359.20

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Solution

The fourth proportional to 8,742,005.20, 13,124,817.60 and 5,553,359.20 is: 8,337,540.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,005.20 : 13,124,817.60 = 5,553,359.20 : x
  2. Step 2: Convert to fraction form
    8,742,005.20/13,124,817.60 = 5,553,359.20/x
  3. Step 3: Cross multiply
    8,742,005.20x = 13,124,817.60 × 5,553,359.20
  4. Step 4: Simplify right side
    8,742,005.20x = 72,886,826,567,281.92
  5. Step 5: Solve for x
    x = 72,886,826,567,281.92/8,742,005.20
  6. Step 6: Final answer
    x = 8,337,540.98

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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.