Home / 38,720,751.04-53,432,714.39-21,316,722.59

Finding the Fourth Proportional to 38,720,751.04, 53,432,714.39 and 21,316,722.59

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Solution

The fourth proportional to 38,720,751.04, 53,432,714.39 and 21,316,722.59 is: 29,416,019.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,720,751.04 : 53,432,714.39 = 21,316,722.59 : x
  2. Step 2: Convert to fraction form
    38,720,751.04/53,432,714.39 = 21,316,722.59/x
  3. Step 3: Cross multiply
    38,720,751.04x = 53,432,714.39 × 21,316,722.59
  4. Step 4: Simplify right side
    38,720,751.04x = 1,139,010,349,989,267
  5. Step 5: Solve for x
    x = 1,139,010,349,989,267/38,720,751.04
  6. Step 6: Final answer
    x = 29,416,019.04

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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.