Home / 19,938,962.40-29,908,443.60-6,477,151.20

Finding the Fourth Proportional to 19,938,962.40, 29,908,443.60 and 6,477,151.20

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Solution

The fourth proportional to 19,938,962.40, 29,908,443.60 and 6,477,151.20 is: 9,715,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938,962.40 : 29,908,443.60 = 6,477,151.20 : x
  2. Step 2: Convert to fraction form
    19,938,962.40/29,908,443.60 = 6,477,151.20/x
  3. Step 3: Cross multiply
    19,938,962.40x = 29,908,443.60 × 6,477,151.20
  4. Step 4: Simplify right side
    19,938,962.40x = 193,721,511,353,872.34
  5. Step 5: Solve for x
    x = 193,721,511,353,872.34/19,938,962.40
  6. Step 6: Final answer
    x = 9,715,726.80

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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.