Home / 8,578,690.16-11,838,549.52-4,658,411.36

Finding the Fourth Proportional to 8,578,690.16, 11,838,549.52 and 4,658,411.36

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Solution

The fourth proportional to 8,578,690.16, 11,838,549.52 and 4,658,411.36 is: 6,428,584.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578,690.16 : 11,838,549.52 = 4,658,411.36 : x
  2. Step 2: Convert to fraction form
    8,578,690.16/11,838,549.52 = 4,658,411.36/x
  3. Step 3: Cross multiply
    8,578,690.16x = 11,838,549.52 × 4,658,411.36
  4. Step 4: Simplify right side
    8,578,690.16x = 55,148,833,569,890.55
  5. Step 5: Solve for x
    x = 55,148,833,569,890.55/8,578,690.16
  6. Step 6: Final answer
    x = 6,428,584.38

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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.