Home / 30,966,118.48-42,730,822.80-17,214,245.20

Finding the Fourth Proportional to 30,966,118.48, 42,730,822.80 and 17,214,245.20

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Solution

The fourth proportional to 30,966,118.48, 42,730,822.80 and 17,214,245.20 is: 23,754,312.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,966,118.48 : 42,730,822.80 = 17,214,245.20 : x
  2. Step 2: Convert to fraction form
    30,966,118.48/42,730,822.80 = 17,214,245.20/x
  3. Step 3: Cross multiply
    30,966,118.48x = 42,730,822.80 × 17,214,245.20
  4. Step 4: Simplify right side
    30,966,118.48x = 735,578,861,276,950.50
  5. Step 5: Solve for x
    x = 735,578,861,276,950.50/30,966,118.48
  6. Step 6: Final answer
    x = 23,754,312.69

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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.