Home / 13,132,543.86-19,683,143.55-6,112,212.46

Finding the Fourth Proportional to 13,132,543.86, 19,683,143.55 and 6,112,212.46

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Solution

The fourth proportional to 13,132,543.86, 19,683,143.55 and 6,112,212.46 is: 9,161,024.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132,543.86 : 19,683,143.55 = 6,112,212.46 : x
  2. Step 2: Convert to fraction form
    13,132,543.86/19,683,143.55 = 6,112,212.46/x
  3. Step 3: Cross multiply
    13,132,543.86x = 19,683,143.55 × 6,112,212.46
  4. Step 4: Simplify right side
    13,132,543.86x = 120,307,555,209,070.77
  5. Step 5: Solve for x
    x = 120,307,555,209,070.77/13,132,543.86
  6. Step 6: Final answer
    x = 9,161,024.44

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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.