Home / 7,390,667.78-10,125,045.14-7,114,346.14

Finding the Fourth Proportional to 7,390,667.78, 10,125,045.14 and 7,114,346.14

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Solution

The fourth proportional to 7,390,667.78, 10,125,045.14 and 7,114,346.14 is: 9,746,490.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390,667.78 : 10,125,045.14 = 7,114,346.14 : x
  2. Step 2: Convert to fraction form
    7,390,667.78/10,125,045.14 = 7,114,346.14/x
  3. Step 3: Cross multiply
    7,390,667.78x = 10,125,045.14 × 7,114,346.14
  4. Step 4: Simplify right side
    7,390,667.78x = 72,033,075,871,850.80
  5. Step 5: Solve for x
    x = 72,033,075,871,850.80/7,390,667.78
  6. Step 6: Final answer
    x = 9,746,490.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.