Home / 7,937,645.40-10,958,646.45-4,999,980.72

Finding the Fourth Proportional to 7,937,645.40, 10,958,646.45 and 4,999,980.72

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Solution

The fourth proportional to 7,937,645.40, 10,958,646.45 and 4,999,980.72 is: 6,902,931.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937,645.40 : 10,958,646.45 = 4,999,980.72 : x
  2. Step 2: Convert to fraction form
    7,937,645.40/10,958,646.45 = 4,999,980.72/x
  3. Step 3: Cross multiply
    7,937,645.40x = 10,958,646.45 × 4,999,980.72
  4. Step 4: Simplify right side
    7,937,645.40x = 54,793,020,967,296.44
  5. Step 5: Solve for x
    x = 54,793,020,967,296.44/7,937,645.40
  6. Step 6: Final answer
    x = 6,902,931.31

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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.