Home / 9,141,731.28-12,615,315.75-5,011,621.02

Finding the Fourth Proportional to 9,141,731.28, 12,615,315.75 and 5,011,621.02

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Solution

The fourth proportional to 9,141,731.28, 12,615,315.75 and 5,011,621.02 is: 6,915,887.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141,731.28 : 12,615,315.75 = 5,011,621.02 : x
  2. Step 2: Convert to fraction form
    9,141,731.28/12,615,315.75 = 5,011,621.02/x
  3. Step 3: Cross multiply
    9,141,731.28x = 12,615,315.75 × 5,011,621.02
  4. Step 4: Simplify right side
    9,141,731.28x = 63,223,181,586,637.06
  5. Step 5: Solve for x
    x = 63,223,181,586,637.06/9,141,731.28
  6. Step 6: Final answer
    x = 6,915,887.12

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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.