Home / 13,126,962.10-18,115,497.95-7,246,582.69

Finding the Fourth Proportional to 13,126,962.10, 18,115,497.95 and 7,246,582.69

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Solution

The fourth proportional to 13,126,962.10, 18,115,497.95 and 7,246,582.69 is: 10,000,444.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126,962.10 : 18,115,497.95 = 7,246,582.69 : x
  2. Step 2: Convert to fraction form
    13,126,962.10/18,115,497.95 = 7,246,582.69/x
  3. Step 3: Cross multiply
    13,126,962.10x = 18,115,497.95 × 7,246,582.69
  4. Step 4: Simplify right side
    13,126,962.10x = 131,275,453,865,200.48
  5. Step 5: Solve for x
    x = 131,275,453,865,200.48/13,126,962.10
  6. Step 6: Final answer
    x = 10,000,444.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.