Home / 22,054,021.04-30,430,089.24-12,884,892.32

Finding the Fourth Proportional to 22,054,021.04, 30,430,089.24 and 12,884,892.32

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Solution

The fourth proportional to 22,054,021.04, 30,430,089.24 and 12,884,892.32 is: 17,778,545.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,054,021.04 : 30,430,089.24 = 12,884,892.32 : x
  2. Step 2: Convert to fraction form
    22,054,021.04/30,430,089.24 = 12,884,892.32/x
  3. Step 3: Cross multiply
    22,054,021.04x = 30,430,089.24 × 12,884,892.32
  4. Step 4: Simplify right side
    22,054,021.04x = 392,088,423,145,390.62
  5. Step 5: Solve for x
    x = 392,088,423,145,390.62/22,054,021.04
  6. Step 6: Final answer
    x = 17,778,545.80

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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.