Home / 8,742,037.20-13,124,865.60-5,553,391.20

Finding the Fourth Proportional to 8,742,037.20, 13,124,865.60 and 5,553,391.20

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Solution

The fourth proportional to 8,742,037.20, 13,124,865.60 and 5,553,391.20 is: 8,337,588.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,037.20 : 13,124,865.60 = 5,553,391.20 : x
  2. Step 2: Convert to fraction form
    8,742,037.20/13,124,865.60 = 5,553,391.20/x
  3. Step 3: Cross multiply
    8,742,037.20x = 13,124,865.60 × 5,553,391.20
  4. Step 4: Simplify right side
    8,742,037.20x = 72,887,513,124,222.72
  5. Step 5: Solve for x
    x = 72,887,513,124,222.72/8,742,037.20
  6. Step 6: Final answer
    x = 8,337,588.99

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1.5x scale

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.