Home / 20,298,369.06-28,012,133.61-11,130,465.06

Finding the Fourth Proportional to 20,298,369.06, 28,012,133.61 and 11,130,465.06

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Solution

The fourth proportional to 20,298,369.06, 28,012,133.61 and 11,130,465.06 is: 15,360,252.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298,369.06 : 28,012,133.61 = 11,130,465.06 : x
  2. Step 2: Convert to fraction form
    20,298,369.06/28,012,133.61 = 11,130,465.06/x
  3. Step 3: Cross multiply
    20,298,369.06x = 28,012,133.61 × 11,130,465.06
  4. Step 4: Simplify right side
    20,298,369.06x = 311,788,074,402,156.69
  5. Step 5: Solve for x
    x = 311,788,074,402,156.69/20,298,369.06
  6. Step 6: Final answer
    x = 15,360,252.51

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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.