Home / 10,935,047.20-16,402,570.80-8,100,695.20

Finding the Fourth Proportional to 10,935,047.20, 16,402,570.80 and 8,100,695.20

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Solution

The fourth proportional to 10,935,047.20, 16,402,570.80 and 8,100,695.20 is: 12,151,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935,047.20 : 16,402,570.80 = 8,100,695.20 : x
  2. Step 2: Convert to fraction form
    10,935,047.20/16,402,570.80 = 8,100,695.20/x
  3. Step 3: Cross multiply
    10,935,047.20x = 16,402,570.80 × 8,100,695.20
  4. Step 4: Simplify right side
    10,935,047.20x = 132,872,226,547,220.17
  5. Step 5: Solve for x
    x = 132,872,226,547,220.17/10,935,047.20
  6. Step 6: Final answer
    x = 12,151,042.80

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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.