Home / 21,030,497.40-31,548,698.55-6,652,065.90

Finding the Fourth Proportional to 21,030,497.40, 31,548,698.55 and 6,652,065.90

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Solution

The fourth proportional to 21,030,497.40, 31,548,698.55 and 6,652,065.90 is: 9,979,032.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,030,497.40 : 31,548,698.55 = 6,652,065.90 : x
  2. Step 2: Convert to fraction form
    21,030,497.40/31,548,698.55 = 6,652,065.90/x
  3. Step 3: Cross multiply
    21,030,497.40x = 31,548,698.55 × 6,652,065.90
  4. Step 4: Simplify right side
    21,030,497.40x = 209,864,021,813,834.47
  5. Step 5: Solve for x
    x = 209,864,021,813,834.47/21,030,497.40
  6. Step 6: Final answer
    x = 9,979,032.73

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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.