Home / 9,880,420.75-13,634,980.64-5,358,436.75

Finding the Fourth Proportional to 9,880,420.75, 13,634,980.64 and 5,358,436.75

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Solution

The fourth proportional to 9,880,420.75, 13,634,980.64 and 5,358,436.75 is: 7,394,642.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880,420.75 : 13,634,980.64 = 5,358,436.75 : x
  2. Step 2: Convert to fraction form
    9,880,420.75/13,634,980.64 = 5,358,436.75/x
  3. Step 3: Cross multiply
    9,880,420.75x = 13,634,980.64 × 5,358,436.75
  4. Step 4: Simplify right side
    9,880,420.75x = 73,062,181,346,914.52
  5. Step 5: Solve for x
    x = 73,062,181,346,914.52/9,880,420.75
  6. Step 6: Final answer
    x = 7,394,642.72

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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.