Home / 7,842,495.12-10,822,617-4,357,818.96

Finding the Fourth Proportional to 7,842,495.12, 10,822,617 and 4,357,818.96

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Solution

The fourth proportional to 7,842,495.12, 10,822,617 and 4,357,818.96 is: 6,013,775.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,842,495.12 : 10,822,617 = 4,357,818.96 : x
  2. Step 2: Convert to fraction form
    7,842,495.12/10,822,617 = 4,357,818.96/x
  3. Step 3: Cross multiply
    7,842,495.12x = 10,822,617 × 4,357,818.96
  4. Step 4: Simplify right side
    7,842,495.12x = 47,163,005,559,418.32
  5. Step 5: Solve for x
    x = 47,163,005,559,418.32/7,842,495.12
  6. Step 6: Final answer
    x = 6,013,775.57

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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.