Home / 27,680,271.24-38,199,933.66-15,919,547.40

Finding the Fourth Proportional to 27,680,271.24, 38,199,933.66 and 15,919,547.40

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Solution

The fourth proportional to 27,680,271.24, 38,199,933.66 and 15,919,547.40 is: 21,969,642.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,680,271.24 : 38,199,933.66 = 15,919,547.40 : x
  2. Step 2: Convert to fraction form
    27,680,271.24/38,199,933.66 = 15,919,547.40/x
  3. Step 3: Cross multiply
    27,680,271.24x = 38,199,933.66 × 15,919,547.40
  4. Step 4: Simplify right side
    27,680,271.24x = 608,125,654,577,225.50
  5. Step 5: Solve for x
    x = 608,125,654,577,225.50/27,680,271.24
  6. Step 6: Final answer
    x = 21,969,642.18

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1.5x scale

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.