Home / 10,112,518.08-13,955,275.20-5,528,839.68

Finding the Fourth Proportional to 10,112,518.08, 13,955,275.20 and 5,528,839.68

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Solution

The fourth proportional to 10,112,518.08, 13,955,275.20 and 5,528,839.68 is: 7,629,798.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112,518.08 : 13,955,275.20 = 5,528,839.68 : x
  2. Step 2: Convert to fraction form
    10,112,518.08/13,955,275.20 = 5,528,839.68/x
  3. Step 3: Cross multiply
    10,112,518.08x = 13,955,275.20 × 5,528,839.68
  4. Step 4: Simplify right side
    10,112,518.08x = 77,156,479,271,079.92
  5. Step 5: Solve for x
    x = 77,156,479,271,079.92/10,112,518.08
  6. Step 6: Final answer
    x = 7,629,798.89

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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.