Home / 38,307,846.60-52,865,952.93-20,905,314.93

Finding the Fourth Proportional to 38,307,846.60, 52,865,952.93 and 20,905,314.93

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Solution

The fourth proportional to 38,307,846.60, 52,865,952.93 and 20,905,314.93 is: 28,849,948.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,307,846.60 : 52,865,952.93 = 20,905,314.93 : x
  2. Step 2: Convert to fraction form
    38,307,846.60/52,865,952.93 = 20,905,314.93/x
  3. Step 3: Cross multiply
    38,307,846.60x = 52,865,952.93 × 20,905,314.93
  4. Step 4: Simplify right side
    38,307,846.60x = 1,105,179,395,076,206.25
  5. Step 5: Solve for x
    x = 1,105,179,395,076,206.25/38,307,846.60
  6. Step 6: Final answer
    x = 28,849,948.33

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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.