Home / 30,688,281.38-42,349,619.94-16,937,245.46

Finding the Fourth Proportional to 30,688,281.38, 42,349,619.94 and 16,937,245.46

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Solution

The fourth proportional to 30,688,281.38, 42,349,619.94 and 16,937,245.46 is: 23,373,283.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,688,281.38 : 42,349,619.94 = 16,937,245.46 : x
  2. Step 2: Convert to fraction form
    30,688,281.38/42,349,619.94 = 16,937,245.46/x
  3. Step 3: Cross multiply
    30,688,281.38x = 42,349,619.94 × 16,937,245.46
  4. Step 4: Simplify right side
    30,688,281.38x = 717,285,908,061,490.50
  5. Step 5: Solve for x
    x = 717,285,908,061,490.50/30,688,281.38
  6. Step 6: Final answer
    x = 23,373,283.74

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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.