Home / 38,462,306.68-53,077,985.94-21,058,653.16

Finding the Fourth Proportional to 38,462,306.68, 53,077,985.94 and 21,058,653.16

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Solution

The fourth proportional to 38,462,306.68, 53,077,985.94 and 21,058,653.16 is: 29,060,942.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,462,306.68 : 53,077,985.94 = 21,058,653.16 : x
  2. Step 2: Convert to fraction form
    38,462,306.68/53,077,985.94 = 21,058,653.16/x
  3. Step 3: Cross multiply
    38,462,306.68x = 53,077,985.94 × 21,058,653.16
  4. Step 4: Simplify right side
    38,462,306.68x = 1,117,750,896,341,816.50
  5. Step 5: Solve for x
    x = 1,117,750,896,341,816.50/38,462,306.68
  6. Step 6: Final answer
    x = 29,060,942.85

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Double scale
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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.