Home / 8,631,744-11,911,806.72-4,816,320

Finding the Fourth Proportional to 8,631,744, 11,911,806.72 and 4,816,320

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Solution

The fourth proportional to 8,631,744, 11,911,806.72 and 4,816,320 is: 6,646,521.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631,744 : 11,911,806.72 = 4,816,320 : x
  2. Step 2: Convert to fraction form
    8,631,744/11,911,806.72 = 4,816,320/x
  3. Step 3: Cross multiply
    8,631,744x = 11,911,806.72 × 4,816,320
  4. Step 4: Simplify right side
    8,631,744x = 57,371,072,941,670.41
  5. Step 5: Solve for x
    x = 57,371,072,941,670.41/8,631,744
  6. Step 6: Final answer
    x = 6,646,521.60

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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.