Home / 7,832,707.80-11,749,061.70-7,159,549.20

Finding the Fourth Proportional to 7,832,707.80, 11,749,061.70 and 7,159,549.20

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Solution

The fourth proportional to 7,832,707.80, 11,749,061.70 and 7,159,549.20 is: 10,739,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,832,707.80 : 11,749,061.70 = 7,159,549.20 : x
  2. Step 2: Convert to fraction form
    7,832,707.80/11,749,061.70 = 7,159,549.20/x
  3. Step 3: Cross multiply
    7,832,707.80x = 11,749,061.70 × 7,159,549.20
  4. Step 4: Simplify right side
    7,832,707.80x = 84,117,985,294,985.64
  5. Step 5: Solve for x
    x = 84,117,985,294,985.64/7,832,707.80
  6. Step 6: Final answer
    x = 10,739,323.80

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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.