Home / 30,688,389.17-42,349,890.44-16,937,254.88

Finding the Fourth Proportional to 30,688,389.17, 42,349,890.44 and 16,937,254.88

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Solution

The fourth proportional to 30,688,389.17, 42,349,890.44 and 16,937,254.88 is: 23,373,363.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,688,389.17 : 42,349,890.44 = 16,937,254.88 : x
  2. Step 2: Convert to fraction form
    30,688,389.17/42,349,890.44 = 16,937,254.88/x
  3. Step 3: Cross multiply
    30,688,389.17x = 42,349,890.44 × 16,937,254.88
  4. Step 4: Simplify right side
    30,688,389.17x = 717,290,888,225,919.62
  5. Step 5: Solve for x
    x = 717,290,888,225,919.62/30,688,389.17
  6. Step 6: Final answer
    x = 23,373,363.93

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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.