Home / 20,590,962.40-30,886,443.60-5,446,424.80

Finding the Fourth Proportional to 20,590,962.40, 30,886,443.60 and 5,446,424.80

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Solution

The fourth proportional to 20,590,962.40, 30,886,443.60 and 5,446,424.80 is: 8,169,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,590,962.40 : 30,886,443.60 = 5,446,424.80 : x
  2. Step 2: Convert to fraction form
    20,590,962.40/30,886,443.60 = 5,446,424.80/x
  3. Step 3: Cross multiply
    20,590,962.40x = 30,886,443.60 × 5,446,424.80
  4. Step 4: Simplify right side
    20,590,962.40x = 168,220,692,406,841.28
  5. Step 5: Solve for x
    x = 168,220,692,406,841.28/20,590,962.40
  6. Step 6: Final answer
    x = 8,169,637.20

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1.5x scale

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.