Home / 31,209,946.80-46,814,920.20-11,012,564.40

Finding the Fourth Proportional to 31,209,946.80, 46,814,920.20 and 11,012,564.40

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Solution

The fourth proportional to 31,209,946.80, 46,814,920.20 and 11,012,564.40 is: 16,518,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,209,946.80 : 46,814,920.20 = 11,012,564.40 : x
  2. Step 2: Convert to fraction form
    31,209,946.80/46,814,920.20 = 11,012,564.40/x
  3. Step 3: Cross multiply
    31,209,946.80x = 46,814,920.20 × 11,012,564.40
  4. Step 4: Simplify right side
    31,209,946.80x = 515,552,323,583,360.94
  5. Step 5: Solve for x
    x = 515,552,323,583,360.94/31,209,946.80
  6. Step 6: Final answer
    x = 16,518,846.60

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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.