Home / 22,221,547.40-31,131,424-22,221,547.40

Finding the Fourth Proportional to 22,221,547.40, 31,131,424 and 22,221,547.40

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Solution

The fourth proportional to 22,221,547.40, 31,131,424 and 22,221,547.40 is: 31,131,424.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,221,547.40 : 31,131,424 = 22,221,547.40 : x
  2. Step 2: Convert to fraction form
    22,221,547.40/31,131,424 = 22,221,547.40/x
  3. Step 3: Cross multiply
    22,221,547.40x = 31,131,424 × 22,221,547.40
  4. Step 4: Simplify right side
    22,221,547.40x = 691,788,414,045,497.50
  5. Step 5: Solve for x
    x = 691,788,414,045,497.50/22,221,547.40
  6. Step 6: Final answer
    x = 31,131,424.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.