Home / 31,693,681.80-47,526,678.96-11,216,595.78

Finding the Fourth Proportional to 31,693,681.80, 47,526,678.96 and 11,216,595.78

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Solution

The fourth proportional to 31,693,681.80, 47,526,678.96 and 11,216,595.78 is: 16,819,994.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,693,681.80 : 47,526,678.96 = 11,216,595.78 : x
  2. Step 2: Convert to fraction form
    31,693,681.80/47,526,678.96 = 11,216,595.78/x
  3. Step 3: Cross multiply
    31,693,681.80x = 47,526,678.96 × 11,216,595.78
  4. Step 4: Simplify right side
    31,693,681.80x = 533,087,546,660,150.75
  5. Step 5: Solve for x
    x = 533,087,546,660,150.75/31,693,681.80
  6. Step 6: Final answer
    x = 16,819,994.28

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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.