Home / 9,478,628.16-13,080,445.92-5,127,696.96

Finding the Fourth Proportional to 9,478,628.16, 13,080,445.92 and 5,127,696.96

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Solution

The fourth proportional to 9,478,628.16, 13,080,445.92 and 5,127,696.96 is: 7,076,188.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478,628.16 : 13,080,445.92 = 5,127,696.96 : x
  2. Step 2: Convert to fraction form
    9,478,628.16/13,080,445.92 = 5,127,696.96/x
  3. Step 3: Cross multiply
    9,478,628.16x = 13,080,445.92 × 5,127,696.96
  4. Step 4: Simplify right side
    9,478,628.16x = 67,072,562,779,428.40
  5. Step 5: Solve for x
    x = 67,072,562,779,428.40/9,478,628.16
  6. Step 6: Final answer
    x = 7,076,188.84

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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.