Home / 6,779,365.25-10,169,130.63-1,987,151.40

Finding the Fourth Proportional to 6,779,365.25, 10,169,130.63 and 1,987,151.40

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Solution

The fourth proportional to 6,779,365.25, 10,169,130.63 and 1,987,151.40 is: 2,980,751.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779,365.25 : 10,169,130.63 = 1,987,151.40 : x
  2. Step 2: Convert to fraction form
    6,779,365.25/10,169,130.63 = 1,987,151.40/x
  3. Step 3: Cross multiply
    6,779,365.25x = 10,169,130.63 × 1,987,151.40
  4. Step 4: Simplify right side
    6,779,365.25x = 20,207,602,168,187.38
  5. Step 5: Solve for x
    x = 20,207,602,168,187.38/6,779,365.25
  6. Step 6: Final answer
    x = 2,980,751.36

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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.