Home / 10,851,878.10-14,975,204.27-6,142,172.52

Finding the Fourth Proportional to 10,851,878.10, 14,975,204.27 and 6,142,172.52

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Solution

The fourth proportional to 10,851,878.10, 14,975,204.27 and 6,142,172.52 is: 8,475,978.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851,878.10 : 14,975,204.27 = 6,142,172.52 : x
  2. Step 2: Convert to fraction form
    10,851,878.10/14,975,204.27 = 6,142,172.52/x
  3. Step 3: Cross multiply
    10,851,878.10x = 14,975,204.27 × 6,142,172.52
  4. Step 4: Simplify right side
    10,851,878.10x = 91,980,288,047,673.53
  5. Step 5: Solve for x
    x = 91,980,288,047,673.53/10,851,878.10
  6. Step 6: Final answer
    x = 8,475,978.74

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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.