Home / 22,565,972-31,141,041.36-12,908,180

Finding the Fourth Proportional to 22,565,972, 31,141,041.36 and 12,908,180

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Solution

The fourth proportional to 22,565,972, 31,141,041.36 and 12,908,180 is: 17,813,288.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,565,972 : 31,141,041.36 = 12,908,180 : x
  2. Step 2: Convert to fraction form
    22,565,972/31,141,041.36 = 12,908,180/x
  3. Step 3: Cross multiply
    22,565,972x = 31,141,041.36 × 12,908,180
  4. Step 4: Simplify right side
    22,565,972x = 401,974,167,262,324.81
  5. Step 5: Solve for x
    x = 401,974,167,262,324.81/22,565,972
  6. Step 6: Final answer
    x = 17,813,288.40

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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.