Home / 20,549,975.40-30,802,714.02-13,366,642.68

Finding the Fourth Proportional to 20,549,975.40, 30,802,714.02 and 13,366,642.68

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Solution

The fourth proportional to 20,549,975.40, 30,802,714.02 and 13,366,642.68 is: 20,035,492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549,975.40 : 30,802,714.02 = 13,366,642.68 : x
  2. Step 2: Convert to fraction form
    20,549,975.40/30,802,714.02 = 13,366,642.68/x
  3. Step 3: Cross multiply
    20,549,975.40x = 30,802,714.02 × 13,366,642.68
  4. Step 4: Simplify right side
    20,549,975.40x = 411,728,871,879,566.38
  5. Step 5: Solve for x
    x = 411,728,871,879,566.38/20,549,975.40
  6. Step 6: Final answer
    x = 20,035,492.20

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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.