Home / 39,886,437.60-59,829,656.40-20,754,561.60

Finding the Fourth Proportional to 39,886,437.60, 59,829,656.40 and 20,754,561.60

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Solution

The fourth proportional to 39,886,437.60, 59,829,656.40 and 20,754,561.60 is: 31,131,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,886,437.60 : 59,829,656.40 = 20,754,561.60 : x
  2. Step 2: Convert to fraction form
    39,886,437.60/59,829,656.40 = 20,754,561.60/x
  3. Step 3: Cross multiply
    39,886,437.60x = 59,829,656.40 × 20,754,561.60
  4. Step 4: Simplify right side
    39,886,437.60x = 1,241,738,289,260,634.25
  5. Step 5: Solve for x
    x = 1,241,738,289,260,634.25/39,886,437.60
  6. Step 6: Final answer
    x = 31,131,842.40

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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.