Home / 40,426,862.60-60,642,918.30-21,294,986.60

Finding the Fourth Proportional to 40,426,862.60, 60,642,918.30 and 21,294,986.60

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Solution

The fourth proportional to 40,426,862.60, 60,642,918.30 and 21,294,986.60 is: 31,943,862.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,426,862.60 : 60,642,918.30 = 21,294,986.60 : x
  2. Step 2: Convert to fraction form
    40,426,862.60/60,642,918.30 = 21,294,986.60/x
  3. Step 3: Cross multiply
    40,426,862.60x = 60,642,918.30 × 21,294,986.60
  4. Step 4: Simplify right side
    40,426,862.60x = 1,291,390,132,583,394.75
  5. Step 5: Solve for x
    x = 1,291,390,132,583,394.75/40,426,862.60
  6. Step 6: Final answer
    x = 31,943,862.31

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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.