Home / 7,339,599-10,128,646.62-4,120,335

Finding the Fourth Proportional to 7,339,599, 10,128,646.62 and 4,120,335

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Solution

The fourth proportional to 7,339,599, 10,128,646.62 and 4,120,335 is: 5,686,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339,599 : 10,128,646.62 = 4,120,335 : x
  2. Step 2: Convert to fraction form
    7,339,599/10,128,646.62 = 4,120,335/x
  3. Step 3: Cross multiply
    7,339,599x = 10,128,646.62 × 4,120,335
  4. Step 4: Simplify right side
    7,339,599x = 41,733,417,171,017.70
  5. Step 5: Solve for x
    x = 41,733,417,171,017.70/7,339,599
  6. Step 6: Final answer
    x = 5,686,062.30

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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.