Home / 14,127,805.80-21,191,708.70-13,088,543.40

Finding the Fourth Proportional to 14,127,805.80, 21,191,708.70 and 13,088,543.40

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Solution

The fourth proportional to 14,127,805.80, 21,191,708.70 and 13,088,543.40 is: 19,632,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127,805.80 : 21,191,708.70 = 13,088,543.40 : x
  2. Step 2: Convert to fraction form
    14,127,805.80/21,191,708.70 = 13,088,543.40/x
  3. Step 3: Cross multiply
    14,127,805.80x = 21,191,708.70 × 13,088,543.40
  4. Step 4: Simplify right side
    14,127,805.80x = 277,368,599,040,107.59
  5. Step 5: Solve for x
    x = 277,368,599,040,107.59/14,127,805.80
  6. Step 6: Final answer
    x = 19,632,815.10

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1.5x scale

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.