Home / 8,277,417.81-12,407,780.21-5,205,603.92

Finding the Fourth Proportional to 8,277,417.81, 12,407,780.21 and 5,205,603.92

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Solution

The fourth proportional to 8,277,417.81, 12,407,780.21 and 5,205,603.92 is: 7,803,156.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,277,417.81 : 12,407,780.21 = 5,205,603.92 : x
  2. Step 2: Convert to fraction form
    8,277,417.81/12,407,780.21 = 5,205,603.92/x
  3. Step 3: Cross multiply
    8,277,417.81x = 12,407,780.21 × 5,205,603.92
  4. Step 4: Simplify right side
    8,277,417.81x = 64,589,989,211,607.50
  5. Step 5: Solve for x
    x = 64,589,989,211,607.50/8,277,417.81
  6. Step 6: Final answer
    x = 7,803,156.82

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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.