Home / 18,841,905.40-28,264,931.70-6,877,233.40

Finding the Fourth Proportional to 18,841,905.40, 28,264,931.70 and 6,877,233.40

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Solution

The fourth proportional to 18,841,905.40, 28,264,931.70 and 6,877,233.40 is: 10,316,606.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,841,905.40 : 28,264,931.70 = 6,877,233.40 : x
  2. Step 2: Convert to fraction form
    18,841,905.40/28,264,931.70 = 6,877,233.40/x
  3. Step 3: Cross multiply
    18,841,905.40x = 28,264,931.70 × 6,877,233.40
  4. Step 4: Simplify right side
    18,841,905.40x = 194,384,532,335,958.78
  5. Step 5: Solve for x
    x = 194,384,532,335,958.78/18,841,905.40
  6. Step 6: Final answer
    x = 10,316,606.96

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1.5x scale

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.