Home / 9,301,779.27-12,837,036.78-5,172,734.25

Finding the Fourth Proportional to 9,301,779.27, 12,837,036.78 and 5,172,734.25

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Solution

The fourth proportional to 9,301,779.27, 12,837,036.78 and 5,172,734.25 is: 7,138,696.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,301,779.27 : 12,837,036.78 = 5,172,734.25 : x
  2. Step 2: Convert to fraction form
    9,301,779.27/12,837,036.78 = 5,172,734.25/x
  3. Step 3: Cross multiply
    9,301,779.27x = 12,837,036.78 × 5,172,734.25
  4. Step 4: Simplify right side
    9,301,779.27x = 66,402,579,820,415.71
  5. Step 5: Solve for x
    x = 66,402,579,820,415.71/9,301,779.27
  6. Step 6: Final answer
    x = 7,138,696.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.