Home / 7,421,178.30-11,123,998.08-3,105,701.06

Finding the Fourth Proportional to 7,421,178.30, 11,123,998.08 and 3,105,701.06

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Solution

The fourth proportional to 7,421,178.30, 11,123,998.08 and 3,105,701.06 is: 4,655,300.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421,178.30 : 11,123,998.08 = 3,105,701.06 : x
  2. Step 2: Convert to fraction form
    7,421,178.30/11,123,998.08 = 3,105,701.06/x
  3. Step 3: Cross multiply
    7,421,178.30x = 11,123,998.08 × 3,105,701.06
  4. Step 4: Simplify right side
    7,421,178.30x = 34,547,812,572,873.98
  5. Step 5: Solve for x
    x = 34,547,812,572,873.98/7,421,178.30
  6. Step 6: Final answer
    x = 4,655,300.17

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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.