Home / 9,406,477.40-12,980,266.74-5,220,386.84

Finding the Fourth Proportional to 9,406,477.40, 12,980,266.74 and 5,220,386.84

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Solution

The fourth proportional to 9,406,477.40, 12,980,266.74 and 5,220,386.84 is: 7,203,760.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,406,477.40 : 12,980,266.74 = 5,220,386.84 : x
  2. Step 2: Convert to fraction form
    9,406,477.40/12,980,266.74 = 5,220,386.84/x
  3. Step 3: Cross multiply
    9,406,477.40x = 12,980,266.74 × 5,220,386.84
  4. Step 4: Simplify right side
    9,406,477.40x = 67,762,013,669,185.70
  5. Step 5: Solve for x
    x = 67,762,013,669,185.70/9,406,477.40
  6. Step 6: Final answer
    x = 7,203,760.85

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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.