Home / 15,640,646.04-21,577,933.68-9,756,856.32

Finding the Fourth Proportional to 15,640,646.04, 21,577,933.68 and 9,756,856.32

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Solution

The fourth proportional to 15,640,646.04, 21,577,933.68 and 9,756,856.32 is: 13,460,620.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,640,646.04 : 21,577,933.68 = 9,756,856.32 : x
  2. Step 2: Convert to fraction form
    15,640,646.04/21,577,933.68 = 9,756,856.32/x
  3. Step 3: Cross multiply
    15,640,646.04x = 21,577,933.68 × 9,756,856.32
  4. Step 4: Simplify right side
    15,640,646.04x = 210,532,798,598,248.88
  5. Step 5: Solve for x
    x = 210,532,798,598,248.88/15,640,646.04
  6. Step 6: Final answer
    x = 13,460,620.36

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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.