Home / 16,921,445.32-23,351,595.06-9,186,476.68

Finding the Fourth Proportional to 16,921,445.32, 23,351,595.06 and 9,186,476.68

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Solution

The fourth proportional to 16,921,445.32, 23,351,595.06 and 9,186,476.68 is: 12,677,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921,445.32 : 23,351,595.06 = 9,186,476.68 : x
  2. Step 2: Convert to fraction form
    16,921,445.32/23,351,595.06 = 9,186,476.68/x
  3. Step 3: Cross multiply
    16,921,445.32x = 23,351,595.06 × 9,186,476.68
  4. Step 4: Simplify right side
    16,921,445.32x = 214,518,883,459,493.19
  5. Step 5: Solve for x
    x = 214,518,883,459,493.19/16,921,445.32
  6. Step 6: Final answer
    x = 12,677,338.10

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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.