Home / 9,665,985.60-13,338,701.52-5,314,813.20

Finding the Fourth Proportional to 9,665,985.60, 13,338,701.52 and 5,314,813.20

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Solution

The fourth proportional to 9,665,985.60, 13,338,701.52 and 5,314,813.20 is: 7,334,245.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,665,985.60 : 13,338,701.52 = 5,314,813.20 : x
  2. Step 2: Convert to fraction form
    9,665,985.60/13,338,701.52 = 5,314,813.20/x
  3. Step 3: Cross multiply
    9,665,985.60x = 13,338,701.52 × 5,314,813.20
  4. Step 4: Simplify right side
    9,665,985.60x = 70,892,706,909,356.06
  5. Step 5: Solve for x
    x = 70,892,706,909,356.06/9,665,985.60
  6. Step 6: Final answer
    x = 7,334,245.04

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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.