Home / 38,761,510.93-53,493,274.16-21,357,853.45

Finding the Fourth Proportional to 38,761,510.93, 53,493,274.16 and 21,357,853.45

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Solution

The fourth proportional to 38,761,510.93, 53,493,274.16 and 21,357,853.45 is: 29,475,154.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,761,510.93 : 53,493,274.16 = 21,357,853.45 : x
  2. Step 2: Convert to fraction form
    38,761,510.93/53,493,274.16 = 21,357,853.45/x
  3. Step 3: Cross multiply
    38,761,510.93x = 53,493,274.16 × 21,357,853.45
  4. Step 4: Simplify right side
    38,761,510.93x = 1,142,501,510,069,951.75
  5. Step 5: Solve for x
    x = 1,142,501,510,069,951.75/38,761,510.93
  6. Step 6: Final answer
    x = 29,475,154.16

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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.