Home / 28,453,541.52-42,688,303.72-11,426,171.88

Finding the Fourth Proportional to 28,453,541.52, 42,688,303.72 and 11,426,171.88

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Solution

The fourth proportional to 28,453,541.52, 42,688,303.72 and 11,426,171.88 is: 17,142,466.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,453,541.52 : 42,688,303.72 = 11,426,171.88 : x
  2. Step 2: Convert to fraction form
    28,453,541.52/42,688,303.72 = 11,426,171.88/x
  3. Step 3: Cross multiply
    28,453,541.52x = 42,688,303.72 × 11,426,171.88
  4. Step 4: Simplify right side
    28,453,541.52x = 487,763,895,570,363.44
  5. Step 5: Solve for x
    x = 487,763,895,570,363.44/28,453,541.52
  6. Step 6: Final answer
    x = 17,142,466.97

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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.