Home / 13,579,750.16-18,739,681.16-7,468,178

Finding the Fourth Proportional to 13,579,750.16, 18,739,681.16 and 7,468,178

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Solution

The fourth proportional to 13,579,750.16, 18,739,681.16 and 7,468,178 is: 10,305,879.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,579,750.16 : 18,739,681.16 = 7,468,178 : x
  2. Step 2: Convert to fraction form
    13,579,750.16/18,739,681.16 = 7,468,178/x
  3. Step 3: Cross multiply
    13,579,750.16x = 18,739,681.16 × 7,468,178
  4. Step 4: Simplify right side
    13,579,750.16x = 139,951,274,566,126.48
  5. Step 5: Solve for x
    x = 139,951,274,566,126.48/13,579,750.16
  6. Step 6: Final answer
    x = 10,305,879.93

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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.