Home / 7,429,331.36-11,142,126.75-2,878,818.59

Finding the Fourth Proportional to 7,429,331.36, 11,142,126.75 and 2,878,818.59

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Solution

The fourth proportional to 7,429,331.36, 11,142,126.75 and 2,878,818.59 is: 4,317,503.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429,331.36 : 11,142,126.75 = 2,878,818.59 : x
  2. Step 2: Convert to fraction form
    7,429,331.36/11,142,126.75 = 2,878,818.59/x
  3. Step 3: Cross multiply
    7,429,331.36x = 11,142,126.75 × 2,878,818.59
  4. Step 4: Simplify right side
    7,429,331.36x = 32,076,161,620,036.28
  5. Step 5: Solve for x
    x = 32,076,161,620,036.28/7,429,331.36
  6. Step 6: Final answer
    x = 4,317,503.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.