Home / 38,833,386.63-53,589,085.70-21,429,504.15

Finding the Fourth Proportional to 38,833,386.63, 53,589,085.70 and 21,429,504.15

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Solution

The fourth proportional to 38,833,386.63, 53,589,085.70 and 21,429,504.15 is: 29,572,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,833,386.63 : 53,589,085.70 = 21,429,504.15 : x
  2. Step 2: Convert to fraction form
    38,833,386.63/53,589,085.70 = 21,429,504.15/x
  3. Step 3: Cross multiply
    38,833,386.63x = 53,589,085.70 × 21,429,504.15
  4. Step 4: Simplify right side
    38,833,386.63x = 1,148,387,534,295,708
  5. Step 5: Solve for x
    x = 1,148,387,534,295,708/38,833,386.63
  6. Step 6: Final answer
    x = 29,572,170.60

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1.5x scale

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.