Home / 20,357,110.51-30,535,646.32-5,211,017.71

Finding the Fourth Proportional to 20,357,110.51, 30,535,646.32 and 5,211,017.71

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Solution

The fourth proportional to 20,357,110.51, 30,535,646.32 and 5,211,017.71 is: 7,816,521.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,357,110.51 : 30,535,646.32 = 5,211,017.71 : x
  2. Step 2: Convert to fraction form
    20,357,110.51/30,535,646.32 = 5,211,017.71/x
  3. Step 3: Cross multiply
    20,357,110.51x = 30,535,646.32 × 5,211,017.71
  4. Step 4: Simplify right side
    20,357,110.51x = 159,121,793,581,083.03
  5. Step 5: Solve for x
    x = 159,121,793,581,083.03/20,357,110.51
  6. Step 6: Final answer
    x = 7,816,521.58

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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.