Home / 12,329,574.14-18,501,667.50-6,869,239.30

Finding the Fourth Proportional to 12,329,574.14, 18,501,667.50 and 6,869,239.30

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Solution

The fourth proportional to 12,329,574.14, 18,501,667.50 and 6,869,239.30 is: 10,307,929.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,329,574.14 : 18,501,667.50 = 6,869,239.30 : x
  2. Step 2: Convert to fraction form
    12,329,574.14/18,501,667.50 = 6,869,239.30/x
  3. Step 3: Cross multiply
    12,329,574.14x = 18,501,667.50 × 6,869,239.30
  4. Step 4: Simplify right side
    12,329,574.14x = 127,092,381,506,532.75
  5. Step 5: Solve for x
    x = 127,092,381,506,532.75/12,329,574.14
  6. Step 6: Final answer
    x = 10,307,929.54

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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.