Home / 38,105,988.54-52,574,678.78-21,583,487.86

Finding the Fourth Proportional to 38,105,988.54, 52,574,678.78 and 21,583,487.86

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Solution

The fourth proportional to 38,105,988.54, 52,574,678.78 and 21,583,487.86 is: 29,778,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,105,988.54 : 52,574,678.78 = 21,583,487.86 : x
  2. Step 2: Convert to fraction form
    38,105,988.54/52,574,678.78 = 21,583,487.86/x
  3. Step 3: Cross multiply
    38,105,988.54x = 52,574,678.78 × 21,583,487.86
  4. Step 4: Simplify right side
    38,105,988.54x = 1,134,744,941,191,529.50
  5. Step 5: Solve for x
    x = 1,134,744,941,191,529.50/38,105,988.54
  6. Step 6: Final answer
    x = 29,778,651.20

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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.