Home / 21,011,267.14-31,517,866.40-6,437,141.51

Finding the Fourth Proportional to 21,011,267.14, 31,517,866.40 and 6,437,141.51

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Solution

The fourth proportional to 21,011,267.14, 31,517,866.40 and 6,437,141.51 is: 9,656,008.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,011,267.14 : 31,517,866.40 = 6,437,141.51 : x
  2. Step 2: Convert to fraction form
    21,011,267.14/31,517,866.40 = 6,437,141.51/x
  3. Step 3: Cross multiply
    21,011,267.14x = 31,517,866.40 × 6,437,141.51
  4. Step 4: Simplify right side
    21,011,267.14x = 202,884,965,920,299.22
  5. Step 5: Solve for x
    x = 202,884,965,920,299.22/21,011,267.14
  6. Step 6: Final answer
    x = 9,656,008.11

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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.