Home / 31,012,800.40-46,519,200.60-12,810,946.15

Finding the Fourth Proportional to 31,012,800.40, 46,519,200.60 and 12,810,946.15

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Solution

The fourth proportional to 31,012,800.40, 46,519,200.60 and 12,810,946.15 is: 19,216,419.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,012,800.40 : 46,519,200.60 = 12,810,946.15 : x
  2. Step 2: Convert to fraction form
    31,012,800.40/46,519,200.60 = 12,810,946.15/x
  3. Step 3: Cross multiply
    31,012,800.40x = 46,519,200.60 × 12,810,946.15
  4. Step 4: Simplify right side
    31,012,800.40x = 595,954,973,827,647.75
  5. Step 5: Solve for x
    x = 595,954,973,827,647.75/31,012,800.40
  6. Step 6: Final answer
    x = 19,216,419.23

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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.