Home / 7,887,975.17-11,800,831.21-5,974,398.77

Finding the Fourth Proportional to 7,887,975.17, 11,800,831.21 and 5,974,398.77

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Solution

The fourth proportional to 7,887,975.17, 11,800,831.21 and 5,974,398.77 is: 8,938,018.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887,975.17 : 11,800,831.21 = 5,974,398.77 : x
  2. Step 2: Convert to fraction form
    7,887,975.17/11,800,831.21 = 5,974,398.77/x
  3. Step 3: Cross multiply
    7,887,975.17x = 11,800,831.21 × 5,974,398.77
  4. Step 4: Simplify right side
    7,887,975.17x = 70,502,871,466,001.61
  5. Step 5: Solve for x
    x = 70,502,871,466,001.61/7,887,975.17
  6. Step 6: Final answer
    x = 8,938,018.94

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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.