Home / 12,136,669.20-18,198,005.40-4,564,400.40

Finding the Fourth Proportional to 12,136,669.20, 18,198,005.40 and 4,564,400.40

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Solution

The fourth proportional to 12,136,669.20, 18,198,005.40 and 4,564,400.40 is: 6,843,968.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136,669.20 : 18,198,005.40 = 4,564,400.40 : x
  2. Step 2: Convert to fraction form
    12,136,669.20/18,198,005.40 = 4,564,400.40/x
  3. Step 3: Cross multiply
    12,136,669.20x = 18,198,005.40 × 4,564,400.40
  4. Step 4: Simplify right side
    12,136,669.20x = 83,062,983,126,962.16
  5. Step 5: Solve for x
    x = 83,062,983,126,962.16/12,136,669.20
  6. Step 6: Final answer
    x = 6,843,968.62

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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.