Home / 38,656,535.04-53,346,124.80-21,254,659.20

Finding the Fourth Proportional to 38,656,535.04, 53,346,124.80 and 21,254,659.20

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Solution

The fourth proportional to 38,656,535.04, 53,346,124.80 and 21,254,659.20 is: 29,331,488.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,656,535.04 : 53,346,124.80 = 21,254,659.20 : x
  2. Step 2: Convert to fraction form
    38,656,535.04/53,346,124.80 = 21,254,659.20/x
  3. Step 3: Cross multiply
    38,656,535.04x = 53,346,124.80 × 21,254,659.20
  4. Step 4: Simplify right side
    38,656,535.04x = 1,133,853,702,264,668
  5. Step 5: Solve for x
    x = 1,133,853,702,264,668/38,656,535.04
  6. Step 6: Final answer
    x = 29,331,488.22

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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.