Home / 27,115,477.02-37,430,809.72-18,306,861.42

Finding the Fourth Proportional to 27,115,477.02, 37,430,809.72 and 18,306,861.42

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Solution

The fourth proportional to 27,115,477.02, 37,430,809.72 and 18,306,861.42 is: 25,271,200.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,115,477.02 : 37,430,809.72 = 18,306,861.42 : x
  2. Step 2: Convert to fraction form
    27,115,477.02/37,430,809.72 = 18,306,861.42/x
  3. Step 3: Cross multiply
    27,115,477.02x = 37,430,809.72 × 18,306,861.42
  4. Step 4: Simplify right side
    27,115,477.02x = 685,240,646,382,429
  5. Step 5: Solve for x
    x = 685,240,646,382,429/27,115,477.02
  6. Step 6: Final answer
    x = 25,271,200.13

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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.