Home / 13,357,887.32-18,433,919.93-7,246,315.82

Finding the Fourth Proportional to 13,357,887.32, 18,433,919.93 and 7,246,315.82

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Solution

The fourth proportional to 13,357,887.32, 18,433,919.93 and 7,246,315.82 is: 9,999,935.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357,887.32 : 18,433,919.93 = 7,246,315.82 : x
  2. Step 2: Convert to fraction form
    13,357,887.32/18,433,919.93 = 7,246,315.82/x
  3. Step 3: Cross multiply
    13,357,887.32x = 18,433,919.93 × 7,246,315.82
  4. Step 4: Simplify right side
    13,357,887.32x = 133,578,005,484,971.12
  5. Step 5: Solve for x
    x = 133,578,005,484,971.12/13,357,887.32
  6. Step 6: Final answer
    x = 9,999,935.04

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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.