Home / 56,849,385-85,274,085.36-13,718,588.40

Finding the Fourth Proportional to 56,849,385, 85,274,085.36 and 13,718,588.40

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Solution

The fourth proportional to 56,849,385, 85,274,085.36 and 13,718,588.40 is: 20,577,884.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,849,385 : 85,274,085.36 = 13,718,588.40 : x
  2. Step 2: Convert to fraction form
    56,849,385/85,274,085.36 = 13,718,588.40/x
  3. Step 3: Cross multiply
    56,849,385x = 85,274,085.36 × 13,718,588.40
  4. Step 4: Simplify right side
    56,849,385x = 1,169,840,078,240,305.75
  5. Step 5: Solve for x
    x = 1,169,840,078,240,305.75/56,849,385
  6. Step 6: Final answer
    x = 20,577,884.50

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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.