Home / 9,478,753.18-13,080,650.16-5,127,838.34

Finding the Fourth Proportional to 9,478,753.18, 13,080,650.16 and 5,127,838.34

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Solution

The fourth proportional to 9,478,753.18, 13,080,650.16 and 5,127,838.34 is: 7,076,401.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478,753.18 : 13,080,650.16 = 5,127,838.34 : x
  2. Step 2: Convert to fraction form
    9,478,753.18/13,080,650.16 = 5,127,838.34/x
  3. Step 3: Cross multiply
    9,478,753.18x = 13,080,650.16 × 5,127,838.34
  4. Step 4: Simplify right side
    9,478,753.18x = 67,075,459,402,575.13
  5. Step 5: Solve for x
    x = 67,075,459,402,575.13/9,478,753.18
  6. Step 6: Final answer
    x = 7,076,401.10

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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.