Home / 13,426,675.84-18,528,814.64-7,315,104.40

Finding the Fourth Proportional to 13,426,675.84, 18,528,814.64 and 7,315,104.40

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Solution

The fourth proportional to 13,426,675.84, 18,528,814.64 and 7,315,104.40 is: 10,094,845.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426,675.84 : 18,528,814.64 = 7,315,104.40 : x
  2. Step 2: Convert to fraction form
    13,426,675.84/18,528,814.64 = 7,315,104.40/x
  3. Step 3: Cross multiply
    13,426,675.84x = 18,528,814.64 × 7,315,104.40
  4. Step 4: Simplify right side
    13,426,675.84x = 135,540,213,499,848.42
  5. Step 5: Solve for x
    x = 135,540,213,499,848.42/13,426,675.84
  6. Step 6: Final answer
    x = 10,094,845.15

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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.