Home / 7,528,638.02-10,389,497.85-4,090,889.54

Finding the Fourth Proportional to 7,528,638.02, 10,389,497.85 and 4,090,889.54

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Solution

The fourth proportional to 7,528,638.02, 10,389,497.85 and 4,090,889.54 is: 5,645,415.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528,638.02 : 10,389,497.85 = 4,090,889.54 : x
  2. Step 2: Convert to fraction form
    7,528,638.02/10,389,497.85 = 4,090,889.54/x
  3. Step 3: Cross multiply
    7,528,638.02x = 10,389,497.85 × 4,090,889.54
  4. Step 4: Simplify right side
    7,528,638.02x = 42,502,288,080,417.48
  5. Step 5: Solve for x
    x = 42,502,288,080,417.48/7,528,638.02
  6. Step 6: Final answer
    x = 5,645,415.28

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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.