Home / 22,668,304.32-31,282,271.28-12,878,765.28

Finding the Fourth Proportional to 22,668,304.32, 31,282,271.28 and 12,878,765.28

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Solution

The fourth proportional to 22,668,304.32, 31,282,271.28 and 12,878,765.28 is: 17,772,702.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,668,304.32 : 31,282,271.28 = 12,878,765.28 : x
  2. Step 2: Convert to fraction form
    22,668,304.32/31,282,271.28 = 12,878,765.28/x
  3. Step 3: Cross multiply
    22,668,304.32x = 31,282,271.28 × 12,878,765.28
  4. Step 4: Simplify right side
    22,668,304.32x = 402,877,029,240,405.12
  5. Step 5: Solve for x
    x = 402,877,029,240,405.12/22,668,304.32
  6. Step 6: Final answer
    x = 17,772,702.52

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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.