Home / 12,838,527.08-19,258,980.71-4,643,218.43

Finding the Fourth Proportional to 12,838,527.08, 19,258,980.71 and 4,643,218.43

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Solution

The fourth proportional to 12,838,527.08, 19,258,980.71 and 4,643,218.43 is: 6,965,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,838,527.08 : 19,258,980.71 = 4,643,218.43 : x
  2. Step 2: Convert to fraction form
    12,838,527.08/19,258,980.71 = 4,643,218.43/x
  3. Step 3: Cross multiply
    12,838,527.08x = 19,258,980.71 × 4,643,218.43
  4. Step 4: Simplify right side
    12,838,527.08x = 89,423,654,056,175.48
  5. Step 5: Solve for x
    x = 89,423,654,056,175.48/12,838,527.08
  6. Step 6: Final answer
    x = 6,965,258.05

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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.