Home / 20,000,681.28-27,600,948-10,833,295.68

Finding the Fourth Proportional to 20,000,681.28, 27,600,948 and 10,833,295.68

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Solution

The fourth proportional to 20,000,681.28, 27,600,948 and 10,833,295.68 is: 14,949,952.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,000,681.28 : 27,600,948 = 10,833,295.68 : x
  2. Step 2: Convert to fraction form
    20,000,681.28/27,600,948 = 10,833,295.68/x
  3. Step 3: Cross multiply
    20,000,681.28x = 27,600,948 × 10,833,295.68
  4. Step 4: Simplify right side
    20,000,681.28x = 299,009,230,732,304.62
  5. Step 5: Solve for x
    x = 299,009,230,732,304.62/20,000,681.28
  6. Step 6: Final answer
    x = 14,949,952.28

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1.5x scale

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.