Home / 14,501,085.80-20,011,040.34-7,974,695.08

Finding the Fourth Proportional to 14,501,085.80, 20,011,040.34 and 7,974,695.08

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Solution

The fourth proportional to 14,501,085.80, 20,011,040.34 and 7,974,695.08 is: 11,004,827.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,501,085.80 : 20,011,040.34 = 7,974,695.08 : x
  2. Step 2: Convert to fraction form
    14,501,085.80/20,011,040.34 = 7,974,695.08/x
  3. Step 3: Cross multiply
    14,501,085.80x = 20,011,040.34 × 7,974,695.08
  4. Step 4: Simplify right side
    14,501,085.80x = 159,581,944,845,024.31
  5. Step 5: Solve for x
    x = 159,581,944,845,024.31/14,501,085.80
  6. Step 6: Final answer
    x = 11,004,827.30

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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.