Home / 26,298,053.10-39,447,079.65-7,128,779.40

Finding the Fourth Proportional to 26,298,053.10, 39,447,079.65 and 7,128,779.40

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Solution

The fourth proportional to 26,298,053.10, 39,447,079.65 and 7,128,779.40 is: 10,693,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,298,053.10 : 39,447,079.65 = 7,128,779.40 : x
  2. Step 2: Convert to fraction form
    26,298,053.10/39,447,079.65 = 7,128,779.40/x
  3. Step 3: Cross multiply
    26,298,053.10x = 39,447,079.65 × 7,128,779.40
  4. Step 4: Simplify right side
    26,298,053.10x = 281,209,528,799,079.22
  5. Step 5: Solve for x
    x = 281,209,528,799,079.22/26,298,053.10
  6. Step 6: Final answer
    x = 10,693,169.10

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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.