Home / 18,312,319.04-25,272,181.28-10,163,557.12

Finding the Fourth Proportional to 18,312,319.04, 25,272,181.28 and 10,163,557.12

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Solution

The fourth proportional to 18,312,319.04, 25,272,181.28 and 10,163,557.12 is: 14,026,364.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,312,319.04 : 25,272,181.28 = 10,163,557.12 : x
  2. Step 2: Convert to fraction form
    18,312,319.04/25,272,181.28 = 10,163,557.12/x
  3. Step 3: Cross multiply
    18,312,319.04x = 25,272,181.28 × 10,163,557.12
  4. Step 4: Simplify right side
    18,312,319.04x = 256,855,257,986,274.72
  5. Step 5: Solve for x
    x = 256,855,257,986,274.72/18,312,319.04
  6. Step 6: Final answer
    x = 14,026,364.30

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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.