Home / 39,182,284.80-58,724,438.40-20,020,665.60

Finding the Fourth Proportional to 39,182,284.80, 58,724,438.40 and 20,020,665.60

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Solution

The fourth proportional to 39,182,284.80, 58,724,438.40 and 20,020,665.60 is: 30,005,966.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,182,284.80 : 58,724,438.40 = 20,020,665.60 : x
  2. Step 2: Convert to fraction form
    39,182,284.80/58,724,438.40 = 20,020,665.60/x
  3. Step 3: Cross multiply
    39,182,284.80x = 58,724,438.40 × 20,020,665.60
  4. Step 4: Simplify right side
    39,182,284.80x = 1,175,702,343,754,199
  5. Step 5: Solve for x
    x = 1,175,702,343,754,199/39,182,284.80
  6. Step 6: Final answer
    x = 30,005,966.98

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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.