Home / 14,501,343.63-20,011,454.60-7,974,972.96

Finding the Fourth Proportional to 14,501,343.63, 20,011,454.60 and 7,974,972.96

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Solution

The fourth proportional to 14,501,343.63, 20,011,454.60 and 7,974,972.96 is: 11,005,242.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,501,343.63 : 20,011,454.60 = 7,974,972.96 : x
  2. Step 2: Convert to fraction form
    14,501,343.63/20,011,454.60 = 7,974,972.96/x
  3. Step 3: Cross multiply
    14,501,343.63x = 20,011,454.60 × 7,974,972.96
  4. Step 4: Simplify right side
    14,501,343.63x = 159,590,809,210,349.78
  5. Step 5: Solve for x
    x = 159,590,809,210,349.78/14,501,343.63
  6. Step 6: Final answer
    x = 11,005,242.91

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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.