Home / 13,000,530.78-19,490,155.74-4,908,914.82

Finding the Fourth Proportional to 13,000,530.78, 19,490,155.74 and 4,908,914.82

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Solution

The fourth proportional to 13,000,530.78, 19,490,155.74 and 4,908,914.82 is: 7,359,354.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000,530.78 : 19,490,155.74 = 4,908,914.82 : x
  2. Step 2: Convert to fraction form
    13,000,530.78/19,490,155.74 = 4,908,914.82/x
  3. Step 3: Cross multiply
    13,000,530.78x = 19,490,155.74 × 4,908,914.82
  4. Step 4: Simplify right side
    13,000,530.78x = 95,675,514,356,194.06
  5. Step 5: Solve for x
    x = 95,675,514,356,194.06/13,000,530.78
  6. Step 6: Final answer
    x = 7,359,354.47

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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.