Home / 9,986,532.28-14,966,555.65-5,128,642.56

Finding the Fourth Proportional to 9,986,532.28, 14,966,555.65 and 5,128,642.56

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Solution

The fourth proportional to 9,986,532.28, 14,966,555.65 and 5,128,642.56 is: 7,686,162.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986,532.28 : 14,966,555.65 = 5,128,642.56 : x
  2. Step 2: Convert to fraction form
    9,986,532.28/14,966,555.65 = 5,128,642.56/x
  3. Step 3: Cross multiply
    9,986,532.28x = 14,966,555.65 × 5,128,642.56
  4. Step 4: Simplify right side
    9,986,532.28x = 76,758,114,229,064.58
  5. Step 5: Solve for x
    x = 76,758,114,229,064.58/9,986,532.28
  6. Step 6: Final answer
    x = 7,686,162.93

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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.