Home / 15,461,841.28-21,338,328.32-8,586,323.20

Finding the Fourth Proportional to 15,461,841.28, 21,338,328.32 and 8,586,323.20

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Solution

The fourth proportional to 15,461,841.28, 21,338,328.32 and 8,586,323.20 is: 11,849,674.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,461,841.28 : 21,338,328.32 = 8,586,323.20 : x
  2. Step 2: Convert to fraction form
    15,461,841.28/21,338,328.32 = 8,586,323.20/x
  3. Step 3: Cross multiply
    15,461,841.28x = 21,338,328.32 × 8,586,323.20
  4. Step 4: Simplify right side
    15,461,841.28x = 183,217,783,503,233
  5. Step 5: Solve for x
    x = 183,217,783,503,233/15,461,841.28
  6. Step 6: Final answer
    x = 11,849,674.32

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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.