Home / 14,539,118.40-20,064,119.04-8,012,980.80

Finding the Fourth Proportional to 14,539,118.40, 20,064,119.04 and 8,012,980.80

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Solution

The fourth proportional to 14,539,118.40, 20,064,119.04 and 8,012,980.80 is: 11,057,988.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,539,118.40 : 20,064,119.04 = 8,012,980.80 : x
  2. Step 2: Convert to fraction form
    14,539,118.40/20,064,119.04 = 8,012,980.80/x
  3. Step 3: Cross multiply
    14,539,118.40x = 20,064,119.04 × 8,012,980.80
  4. Step 4: Simplify right side
    14,539,118.40x = 160,773,400,636,434.41
  5. Step 5: Solve for x
    x = 160,773,400,636,434.41/14,539,118.40
  6. Step 6: Final answer
    x = 11,057,988.26

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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.