Home / 8,191,285.80-12,310,548.30-7,152,023.40

Finding the Fourth Proportional to 8,191,285.80, 12,310,548.30 and 7,152,023.40

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Solution

The fourth proportional to 8,191,285.80, 12,310,548.30 and 7,152,023.40 is: 10,748,657.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191,285.80 : 12,310,548.30 = 7,152,023.40 : x
  2. Step 2: Convert to fraction form
    8,191,285.80/12,310,548.30 = 7,152,023.40/x
  3. Step 3: Cross multiply
    8,191,285.80x = 12,310,548.30 × 7,152,023.40
  4. Step 4: Simplify right side
    8,191,285.80x = 88,045,329,508,430.23
  5. Step 5: Solve for x
    x = 88,045,329,508,430.23/8,191,285.80
  6. Step 6: Final answer
    x = 10,748,657.98

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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.