Home / 6,921,611.80-10,382,417.70-4,087,259.80

Finding the Fourth Proportional to 6,921,611.80, 10,382,417.70 and 4,087,259.80

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Solution

The fourth proportional to 6,921,611.80, 10,382,417.70 and 4,087,259.80 is: 6,130,889.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921,611.80 : 10,382,417.70 = 4,087,259.80 : x
  2. Step 2: Convert to fraction form
    6,921,611.80/10,382,417.70 = 4,087,259.80/x
  3. Step 3: Cross multiply
    6,921,611.80x = 10,382,417.70 × 4,087,259.80
  4. Step 4: Simplify right side
    6,921,611.80x = 42,435,638,492,018.45
  5. Step 5: Solve for x
    x = 42,435,638,492,018.45/6,921,611.80
  6. Step 6: Final answer
    x = 6,130,889.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.