Home / 13,547,604.96-18,693,283.05-7,667,211.51

Finding the Fourth Proportional to 13,547,604.96, 18,693,283.05 and 7,667,211.51

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Solution

The fourth proportional to 13,547,604.96, 18,693,283.05 and 7,667,211.51 is: 10,579,386.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,547,604.96 : 18,693,283.05 = 7,667,211.51 : x
  2. Step 2: Convert to fraction form
    13,547,604.96/18,693,283.05 = 7,667,211.51/x
  3. Step 3: Cross multiply
    13,547,604.96x = 18,693,283.05 × 7,667,211.51
  4. Step 4: Simplify right side
    13,547,604.96x = 143,325,354,960,647.91
  5. Step 5: Solve for x
    x = 143,325,354,960,647.91/13,547,604.96
  6. Step 6: Final answer
    x = 10,579,386.94

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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.