Home / 13,140,726.79-19,723,455.85-6,668,448.93

Finding the Fourth Proportional to 13,140,726.79, 19,723,455.85 and 6,668,448.93

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Solution

The fourth proportional to 13,140,726.79, 19,723,455.85 and 6,668,448.93 is: 10,008,948.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140,726.79 : 19,723,455.85 = 6,668,448.93 : x
  2. Step 2: Convert to fraction form
    13,140,726.79/19,723,455.85 = 6,668,448.93/x
  3. Step 3: Cross multiply
    13,140,726.79x = 19,723,455.85 × 6,668,448.93
  4. Step 4: Simplify right side
    13,140,726.79x = 131,524,857,926,875.20
  5. Step 5: Solve for x
    x = 131,524,857,926,875.20/13,140,726.79
  6. Step 6: Final answer
    x = 10,008,948.52

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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.