Home / 15,510,340.24-21,403,852.44-8,634,822.16

Finding the Fourth Proportional to 15,510,340.24, 21,403,852.44 and 8,634,822.16

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Solution

The fourth proportional to 15,510,340.24, 21,403,852.44 and 8,634,822.16 is: 11,915,822.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,510,340.24 : 21,403,852.44 = 8,634,822.16 : x
  2. Step 2: Convert to fraction form
    15,510,340.24/21,403,852.44 = 8,634,822.16/x
  3. Step 3: Cross multiply
    15,510,340.24x = 21,403,852.44 × 8,634,822.16
  4. Step 4: Simplify right side
    15,510,340.24x = 184,818,459,358,282.09
  5. Step 5: Solve for x
    x = 184,818,459,358,282.09/15,510,340.24
  6. Step 6: Final answer
    x = 11,915,822.38

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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.