Home / 7,886,320.76-10,878,985.32-6,851,503.44

Finding the Fourth Proportional to 7,886,320.76, 10,878,985.32 and 6,851,503.44

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Solution

The fourth proportional to 7,886,320.76, 10,878,985.32 and 6,851,503.44 is: 9,451,480.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886,320.76 : 10,878,985.32 = 6,851,503.44 : x
  2. Step 2: Convert to fraction form
    7,886,320.76/10,878,985.32 = 6,851,503.44/x
  3. Step 3: Cross multiply
    7,886,320.76x = 10,878,985.32 × 6,851,503.44
  4. Step 4: Simplify right side
    7,886,320.76x = 74,537,405,343,689.50
  5. Step 5: Solve for x
    x = 74,537,405,343,689.50/7,886,320.76
  6. Step 6: Final answer
    x = 9,451,480.31

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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.