Home / 14,189,363.60-21,284,045.40-5,220,352.40

Finding the Fourth Proportional to 14,189,363.60, 21,284,045.40 and 5,220,352.40

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Solution

The fourth proportional to 14,189,363.60, 21,284,045.40 and 5,220,352.40 is: 7,830,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189,363.60 : 21,284,045.40 = 5,220,352.40 : x
  2. Step 2: Convert to fraction form
    14,189,363.60/21,284,045.40 = 5,220,352.40/x
  3. Step 3: Cross multiply
    14,189,363.60x = 21,284,045.40 × 5,220,352.40
  4. Step 4: Simplify right side
    14,189,363.60x = 111,110,217,485,598.95
  5. Step 5: Solve for x
    x = 111,110,217,485,598.95/14,189,363.60
  6. Step 6: Final answer
    x = 7,830,528.60

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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.