Home / 7,139,579.10-9,852,561.27-3,876,329.40

Finding the Fourth Proportional to 7,139,579.10, 9,852,561.27 and 3,876,329.40

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Solution

The fourth proportional to 7,139,579.10, 9,852,561.27 and 3,876,329.40 is: 5,349,303.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,579.10 : 9,852,561.27 = 3,876,329.40 : x
  2. Step 2: Convert to fraction form
    7,139,579.10/9,852,561.27 = 3,876,329.40/x
  3. Step 3: Cross multiply
    7,139,579.10x = 9,852,561.27 × 3,876,329.40
  4. Step 4: Simplify right side
    7,139,579.10x = 38,191,772,916,202.34
  5. Step 5: Solve for x
    x = 38,191,772,916,202.34/7,139,579.10
  6. Step 6: Final answer
    x = 5,349,303.14

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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.