Home / 9,615,642.69-13,269,588.81-5,264,730.12

Finding the Fourth Proportional to 9,615,642.69, 13,269,588.81 and 5,264,730.12

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Solution

The fourth proportional to 9,615,642.69, 13,269,588.81 and 5,264,730.12 is: 7,265,328.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,615,642.69 : 13,269,588.81 = 5,264,730.12 : x
  2. Step 2: Convert to fraction form
    9,615,642.69/13,269,588.81 = 5,264,730.12/x
  3. Step 3: Cross multiply
    9,615,642.69x = 13,269,588.81 × 5,264,730.12
  4. Step 4: Simplify right side
    9,615,642.69x = 69,860,803,888,021.96
  5. Step 5: Solve for x
    x = 69,860,803,888,021.96/9,615,642.69
  6. Step 6: Final answer
    x = 7,265,328.60

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1.5x scale

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.