Home / 7,855,484.79-10,840,398.81-4,547,918.40

Finding the Fourth Proportional to 7,855,484.79, 10,840,398.81 and 4,547,918.40

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Solution

The fourth proportional to 7,855,484.79, 10,840,398.81 and 4,547,918.40 is: 6,276,028.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855,484.79 : 10,840,398.81 = 4,547,918.40 : x
  2. Step 2: Convert to fraction form
    7,855,484.79/10,840,398.81 = 4,547,918.40/x
  3. Step 3: Cross multiply
    7,855,484.79x = 10,840,398.81 × 4,547,918.40
  4. Step 4: Simplify right side
    7,855,484.79x = 49,301,249,211,337.11
  5. Step 5: Solve for x
    x = 49,301,249,211,337.11/7,855,484.79
  6. Step 6: Final answer
    x = 6,276,028.85

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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.