Home / 13,785,788.90-20,679,460.95-4,201,480.10

Finding the Fourth Proportional to 13,785,788.90, 20,679,460.95 and 4,201,480.10

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Solution

The fourth proportional to 13,785,788.90, 20,679,460.95 and 4,201,480.10 is: 6,302,457.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785,788.90 : 20,679,460.95 = 4,201,480.10 : x
  2. Step 2: Convert to fraction form
    13,785,788.90/20,679,460.95 = 4,201,480.10/x
  3. Step 3: Cross multiply
    13,785,788.90x = 20,679,460.95 × 4,201,480.10
  4. Step 4: Simplify right side
    13,785,788.90x = 86,884,343,660,152.08
  5. Step 5: Solve for x
    x = 86,884,343,660,152.08/13,785,788.90
  6. Step 6: Final answer
    x = 6,302,457.14

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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.