Home / 22,556,547.68-31,127,198.28-12,243,048.80

Finding the Fourth Proportional to 22,556,547.68, 31,127,198.28 and 12,243,048.80

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Solution

The fourth proportional to 22,556,547.68, 31,127,198.28 and 12,243,048.80 is: 16,894,952.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,556,547.68 : 31,127,198.28 = 12,243,048.80 : x
  2. Step 2: Convert to fraction form
    22,556,547.68/31,127,198.28 = 12,243,048.80/x
  3. Step 3: Cross multiply
    22,556,547.68x = 31,127,198.28 × 12,243,048.80
  4. Step 4: Simplify right side
    22,556,547.68x = 381,091,807,549,316.12
  5. Step 5: Solve for x
    x = 381,091,807,549,316.12/22,556,547.68
  6. Step 6: Final answer
    x = 16,894,952.76

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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.