Home / 18,841,875.40-28,264,886.70-6,877,203.40

Finding the Fourth Proportional to 18,841,875.40, 28,264,886.70 and 6,877,203.40

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Solution

The fourth proportional to 18,841,875.40, 28,264,886.70 and 6,877,203.40 is: 10,316,561.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,841,875.40 : 28,264,886.70 = 6,877,203.40 : x
  2. Step 2: Convert to fraction form
    18,841,875.40/28,264,886.70 = 6,877,203.40/x
  3. Step 3: Cross multiply
    18,841,875.40x = 28,264,886.70 × 6,877,203.40
  4. Step 4: Simplify right side
    18,841,875.40x = 194,383,374,913,854.78
  5. Step 5: Solve for x
    x = 194,383,374,913,854.78/18,841,875.40
  6. Step 6: Final answer
    x = 10,316,561.96

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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.