Home / 10,890,031.80-16,335,047.70-10,411,734.90

Finding the Fourth Proportional to 10,890,031.80, 16,335,047.70 and 10,411,734.90

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Solution

The fourth proportional to 10,890,031.80, 16,335,047.70 and 10,411,734.90 is: 15,617,602.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,031.80 : 16,335,047.70 = 10,411,734.90 : x
  2. Step 2: Convert to fraction form
    10,890,031.80/16,335,047.70 = 10,411,734.90/x
  3. Step 3: Cross multiply
    10,890,031.80x = 16,335,047.70 × 10,411,734.90
  4. Step 4: Simplify right side
    10,890,031.80x = 170,076,186,231,254.72
  5. Step 5: Solve for x
    x = 170,076,186,231,254.72/10,890,031.80
  6. Step 6: Final answer
    x = 15,617,602.35

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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.