Home / 31,920,022.40-47,880,033.60-19,154,940.80

Finding the Fourth Proportional to 31,920,022.40, 47,880,033.60 and 19,154,940.80

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Solution

The fourth proportional to 31,920,022.40, 47,880,033.60 and 19,154,940.80 is: 28,732,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,920,022.40 : 47,880,033.60 = 19,154,940.80 : x
  2. Step 2: Convert to fraction form
    31,920,022.40/47,880,033.60 = 19,154,940.80/x
  3. Step 3: Cross multiply
    31,920,022.40x = 47,880,033.60 × 19,154,940.80
  4. Step 4: Simplify right side
    31,920,022.40x = 917,139,209,110,011
  5. Step 5: Solve for x
    x = 917,139,209,110,011/31,920,022.40
  6. Step 6: Final answer
    x = 28,732,411.20

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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.