Home / 22,112,368.04-30,513,727.36-12,188,816.72

Finding the Fourth Proportional to 22,112,368.04, 30,513,727.36 and 12,188,816.72

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Solution

The fourth proportional to 22,112,368.04, 30,513,727.36 and 12,188,816.72 is: 16,819,828.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,112,368.04 : 30,513,727.36 = 12,188,816.72 : x
  2. Step 2: Convert to fraction form
    22,112,368.04/30,513,727.36 = 12,188,816.72/x
  3. Step 3: Cross multiply
    22,112,368.04x = 30,513,727.36 × 12,188,816.72
  4. Step 4: Simplify right side
    22,112,368.04x = 371,926,230,235,089.50
  5. Step 5: Solve for x
    x = 371,926,230,235,089.50/22,112,368.04
  6. Step 6: Final answer
    x = 16,819,828.14

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1.5x scale

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.