Home / 38,452,856.61-53,065,085.32-21,050,821.07

Finding the Fourth Proportional to 38,452,856.61, 53,065,085.32 and 21,050,821.07

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Solution

The fourth proportional to 38,452,856.61, 53,065,085.32 and 21,050,821.07 is: 29,050,211.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,452,856.61 : 53,065,085.32 = 21,050,821.07 : x
  2. Step 2: Convert to fraction form
    38,452,856.61/53,065,085.32 = 21,050,821.07/x
  3. Step 3: Cross multiply
    38,452,856.61x = 53,065,085.32 × 21,050,821.07
  4. Step 4: Simplify right side
    38,452,856.61x = 1,117,063,615,778,180.88
  5. Step 5: Solve for x
    x = 1,117,063,615,778,180.88/38,452,856.61
  6. Step 6: Final answer
    x = 29,050,211.46

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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.