Home / 52,021,862.22-78,043,742.94-19,673,041.26

Finding the Fourth Proportional to 52,021,862.22, 78,043,742.94 and 19,673,041.26

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Solution

The fourth proportional to 52,021,862.22, 78,043,742.94 and 19,673,041.26 is: 29,513,702.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,021,862.22 : 78,043,742.94 = 19,673,041.26 : x
  2. Step 2: Convert to fraction form
    52,021,862.22/78,043,742.94 = 19,673,041.26/x
  3. Step 3: Cross multiply
    52,021,862.22x = 78,043,742.94 × 19,673,041.26
  4. Step 4: Simplify right side
    52,021,862.22x = 1,535,357,774,943,453.75
  5. Step 5: Solve for x
    x = 1,535,357,774,943,453.75/52,021,862.22
  6. Step 6: Final answer
    x = 29,513,702.69

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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.