Home / 12,709,445.08-17,539,055.40-6,908,212.12

Finding the Fourth Proportional to 12,709,445.08, 17,539,055.40 and 6,908,212.12

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Solution

The fourth proportional to 12,709,445.08, 17,539,055.40 and 6,908,212.12 is: 9,533,344.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,709,445.08 : 17,539,055.40 = 6,908,212.12 : x
  2. Step 2: Convert to fraction form
    12,709,445.08/17,539,055.40 = 6,908,212.12/x
  3. Step 3: Cross multiply
    12,709,445.08x = 17,539,055.40 × 6,908,212.12
  4. Step 4: Simplify right side
    12,709,445.08x = 121,163,515,087,631.44
  5. Step 5: Solve for x
    x = 121,163,515,087,631.44/12,709,445.08
  6. Step 6: Final answer
    x = 9,533,344.24

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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.