Home / 19,312,818.60-28,969,227.90-7,343,999.40

Finding the Fourth Proportional to 19,312,818.60, 28,969,227.90 and 7,343,999.40

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Solution

The fourth proportional to 19,312,818.60, 28,969,227.90 and 7,343,999.40 is: 11,015,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312,818.60 : 28,969,227.90 = 7,343,999.40 : x
  2. Step 2: Convert to fraction form
    19,312,818.60/28,969,227.90 = 7,343,999.40/x
  3. Step 3: Cross multiply
    19,312,818.60x = 28,969,227.90 × 7,343,999.40
  4. Step 4: Simplify right side
    19,312,818.60x = 212,749,992,316,063.25
  5. Step 5: Solve for x
    x = 212,749,992,316,063.25/19,312,818.60
  6. Step 6: Final answer
    x = 11,015,999.10

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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.