Home / 38,604,285.53-53,273,720.40-20,963,030.49

Finding the Fourth Proportional to 38,604,285.53, 53,273,720.40 and 20,963,030.49

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Solution

The fourth proportional to 38,604,285.53, 53,273,720.40 and 20,963,030.49 is: 28,928,876.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,604,285.53 : 53,273,720.40 = 20,963,030.49 : x
  2. Step 2: Convert to fraction form
    38,604,285.53/53,273,720.40 = 20,963,030.49/x
  3. Step 3: Cross multiply
    38,604,285.53x = 53,273,720.40 × 20,963,030.49
  4. Step 4: Simplify right side
    38,604,285.53x = 1,116,778,625,060,934.88
  5. Step 5: Solve for x
    x = 1,116,778,625,060,934.88/38,604,285.53
  6. Step 6: Final answer
    x = 28,928,876.93

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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.