Home / 13,011,191.80-19,502,790.90-4,921,041.40

Finding the Fourth Proportional to 13,011,191.80, 19,502,790.90 and 4,921,041.40

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Solution

The fourth proportional to 13,011,191.80, 19,502,790.90 and 4,921,041.40 is: 7,376,268.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,191.80 : 19,502,790.90 = 4,921,041.40 : x
  2. Step 2: Convert to fraction form
    13,011,191.80/19,502,790.90 = 4,921,041.40/x
  3. Step 3: Cross multiply
    13,011,191.80x = 19,502,790.90 × 4,921,041.40
  4. Step 4: Simplify right side
    13,011,191.80x = 95,974,041,434,443.27
  5. Step 5: Solve for x
    x = 95,974,041,434,443.27/13,011,191.80
  6. Step 6: Final answer
    x = 7,376,268.29

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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.