Home / 12,039,570.08-18,065,259.48-5,650,341.92

Finding the Fourth Proportional to 12,039,570.08, 18,065,259.48 and 5,650,341.92

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Solution

The fourth proportional to 12,039,570.08, 18,065,259.48 and 5,650,341.92 is: 8,478,283.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039,570.08 : 18,065,259.48 = 5,650,341.92 : x
  2. Step 2: Convert to fraction form
    12,039,570.08/18,065,259.48 = 5,650,341.92/x
  3. Step 3: Cross multiply
    12,039,570.08x = 18,065,259.48 × 5,650,341.92
  4. Step 4: Simplify right side
    12,039,570.08x = 102,074,892,935,521.41
  5. Step 5: Solve for x
    x = 102,074,892,935,521.41/12,039,570.08
  6. Step 6: Final answer
    x = 8,478,283.88

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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.