Home / 28,566,130.28-39,426,981.54-16,970,136.04

Finding the Fourth Proportional to 28,566,130.28, 39,426,981.54 and 16,970,136.04

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Solution

The fourth proportional to 28,566,130.28, 39,426,981.54 and 16,970,136.04 is: 23,422,186.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,566,130.28 : 39,426,981.54 = 16,970,136.04 : x
  2. Step 2: Convert to fraction form
    28,566,130.28/39,426,981.54 = 16,970,136.04/x
  3. Step 3: Cross multiply
    28,566,130.28x = 39,426,981.54 × 16,970,136.04
  4. Step 4: Simplify right side
    28,566,130.28x = 669,081,240,380,368.62
  5. Step 5: Solve for x
    x = 669,081,240,380,368.62/28,566,130.28
  6. Step 6: Final answer
    x = 23,422,186.83

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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.