Home / 20,657,051.60-30,986,743.80-6,280,588.40

Finding the Fourth Proportional to 20,657,051.60, 30,986,743.80 and 6,280,588.40

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Solution

The fourth proportional to 20,657,051.60, 30,986,743.80 and 6,280,588.40 is: 9,421,237.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,657,051.60 : 30,986,743.80 = 6,280,588.40 : x
  2. Step 2: Convert to fraction form
    20,657,051.60/30,986,743.80 = 6,280,588.40/x
  3. Step 3: Cross multiply
    20,657,051.60x = 30,986,743.80 × 6,280,588.40
  4. Step 4: Simplify right side
    20,657,051.60x = 194,614,983,664,051.94
  5. Step 5: Solve for x
    x = 194,614,983,664,051.94/20,657,051.60
  6. Step 6: Final answer
    x = 9,421,237.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.