Home / 12,686,488.92-17,507,368.08-6,885,274.32

Finding the Fourth Proportional to 12,686,488.92, 17,507,368.08 and 6,885,274.32

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Solution

The fourth proportional to 12,686,488.92, 17,507,368.08 and 6,885,274.32 is: 9,501,685.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,686,488.92 : 17,507,368.08 = 6,885,274.32 : x
  2. Step 2: Convert to fraction form
    12,686,488.92/17,507,368.08 = 6,885,274.32/x
  3. Step 3: Cross multiply
    12,686,488.92x = 17,507,368.08 × 6,885,274.32
  4. Step 4: Simplify right side
    12,686,488.92x = 120,543,031,852,011.70
  5. Step 5: Solve for x
    x = 120,543,031,852,011.70/12,686,488.92
  6. Step 6: Final answer
    x = 9,501,685.82

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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.