Home / 9,139,559.12-13,683,779.64-6,888,643.28

Finding the Fourth Proportional to 9,139,559.12, 13,683,779.64 and 6,888,643.28

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Solution

The fourth proportional to 9,139,559.12, 13,683,779.64 and 6,888,643.28 is: 10,313,700.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139,559.12 : 13,683,779.64 = 6,888,643.28 : x
  2. Step 2: Convert to fraction form
    9,139,559.12/13,683,779.64 = 6,888,643.28/x
  3. Step 3: Cross multiply
    9,139,559.12x = 13,683,779.64 × 6,888,643.28
  4. Step 4: Simplify right side
    9,139,559.12x = 94,262,676,662,086.83
  5. Step 5: Solve for x
    x = 94,262,676,662,086.83/9,139,559.12
  6. Step 6: Final answer
    x = 10,313,700.63

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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.