Home / 22,574,940.75-31,153,828.63-12,787,417.13

Finding the Fourth Proportional to 22,574,940.75, 31,153,828.63 and 12,787,417.13

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Solution

The fourth proportional to 22,574,940.75, 31,153,828.63 and 12,787,417.13 is: 17,646,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,574,940.75 : 31,153,828.63 = 12,787,417.13 : x
  2. Step 2: Convert to fraction form
    22,574,940.75/31,153,828.63 = 12,787,417.13/x
  3. Step 3: Cross multiply
    22,574,940.75x = 31,153,828.63 × 12,787,417.13
  4. Step 4: Simplify right side
    22,574,940.75x = 398,377,001,668,640.19
  5. Step 5: Solve for x
    x = 398,377,001,668,640.19/22,574,940.75
  6. Step 6: Final answer
    x = 17,646,868.10

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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.