Home / 38,381,056.24-52,964,417.82-20,977,260.16

Finding the Fourth Proportional to 38,381,056.24, 52,964,417.82 and 20,977,260.16

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Solution

The fourth proportional to 38,381,056.24, 52,964,417.82 and 20,977,260.16 is: 28,947,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,381,056.24 : 52,964,417.82 = 20,977,260.16 : x
  2. Step 2: Convert to fraction form
    38,381,056.24/52,964,417.82 = 20,977,260.16/x
  3. Step 3: Cross multiply
    38,381,056.24x = 52,964,417.82 × 20,977,260.16
  4. Step 4: Simplify right side
    38,381,056.24x = 1,111,048,371,833,080.12
  5. Step 5: Solve for x
    x = 1,111,048,371,833,080.12/38,381,056.24
  6. Step 6: Final answer
    x = 28,947,832.10

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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.