Home / 13,547,592.96-18,693,266.49-7,667,199.51

Finding the Fourth Proportional to 13,547,592.96, 18,693,266.49 and 7,667,199.51

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Solution

The fourth proportional to 13,547,592.96, 18,693,266.49 and 7,667,199.51 is: 10,579,370.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,547,592.96 : 18,693,266.49 = 7,667,199.51 : x
  2. Step 2: Convert to fraction form
    13,547,592.96/18,693,266.49 = 7,667,199.51/x
  3. Step 3: Cross multiply
    13,547,592.96x = 18,693,266.49 × 7,667,199.51
  4. Step 4: Simplify right side
    13,547,592.96x = 143,325,003,672,427.41
  5. Step 5: Solve for x
    x = 143,325,003,672,427.41/13,547,592.96
  6. Step 6: Final answer
    x = 10,579,370.38

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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.