Home / 28,080,455.40-42,120,683.10-6,805,319.40

Finding the Fourth Proportional to 28,080,455.40, 42,120,683.10 and 6,805,319.40

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Solution

The fourth proportional to 28,080,455.40, 42,120,683.10 and 6,805,319.40 is: 10,207,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080,455.40 : 42,120,683.10 = 6,805,319.40 : x
  2. Step 2: Convert to fraction form
    28,080,455.40/42,120,683.10 = 6,805,319.40/x
  3. Step 3: Cross multiply
    28,080,455.40x = 42,120,683.10 × 6,805,319.40
  4. Step 4: Simplify right side
    28,080,455.40x = 286,644,701,841,682.19
  5. Step 5: Solve for x
    x = 286,644,701,841,682.19/28,080,455.40
  6. Step 6: Final answer
    x = 10,207,979.10

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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.