Home / 9,155,831.76-12,636,035.10-5,851,138.14

Finding the Fourth Proportional to 9,155,831.76, 12,636,035.10 and 5,851,138.14

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Solution

The fourth proportional to 9,155,831.76, 12,636,035.10 and 5,851,138.14 is: 8,075,201.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155,831.76 : 12,636,035.10 = 5,851,138.14 : x
  2. Step 2: Convert to fraction form
    9,155,831.76/12,636,035.10 = 5,851,138.14/x
  3. Step 3: Cross multiply
    9,155,831.76x = 12,636,035.10 × 5,851,138.14
  4. Step 4: Simplify right side
    9,155,831.76x = 73,935,186,911,988.70
  5. Step 5: Solve for x
    x = 73,935,186,911,988.70/9,155,831.76
  6. Step 6: Final answer
    x = 8,075,201.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.