Home / 5,253,742.20-7,886,834.10-5,216,417.40

Finding the Fourth Proportional to 5,253,742.20, 7,886,834.10 and 5,216,417.40

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Solution

The fourth proportional to 5,253,742.20, 7,886,834.10 and 5,216,417.40 is: 7,830,802.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253,742.20 : 7,886,834.10 = 5,216,417.40 : x
  2. Step 2: Convert to fraction form
    5,253,742.20/7,886,834.10 = 5,216,417.40/x
  3. Step 3: Cross multiply
    5,253,742.20x = 7,886,834.10 × 5,216,417.40
  4. Step 4: Simplify right side
    5,253,742.20x = 41,141,018,630,153.34
  5. Step 5: Solve for x
    x = 41,141,018,630,153.34/5,253,742.20
  6. Step 6: Final answer
    x = 7,830,802.70

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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.