Home / 12,862,392.98-17,750,457.65-7,280,195.76

Finding the Fourth Proportional to 12,862,392.98, 17,750,457.65 and 7,280,195.76

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Solution

The fourth proportional to 12,862,392.98, 17,750,457.65 and 7,280,195.76 is: 10,046,871.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862,392.98 : 17,750,457.65 = 7,280,195.76 : x
  2. Step 2: Convert to fraction form
    12,862,392.98/17,750,457.65 = 7,280,195.76/x
  3. Step 3: Cross multiply
    12,862,392.98x = 17,750,457.65 × 7,280,195.76
  4. Step 4: Simplify right side
    12,862,392.98x = 129,226,806,539,790.05
  5. Step 5: Solve for x
    x = 129,226,806,539,790.05/12,862,392.98
  6. Step 6: Final answer
    x = 10,046,871.28

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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.