Home / 8,630,859.12-12,880,661.34-7,674,290.16

Finding the Fourth Proportional to 8,630,859.12, 12,880,661.34 and 7,674,290.16

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Solution

The fourth proportional to 8,630,859.12, 12,880,661.34 and 7,674,290.16 is: 11,453,081.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630,859.12 : 12,880,661.34 = 7,674,290.16 : x
  2. Step 2: Convert to fraction form
    8,630,859.12/12,880,661.34 = 7,674,290.16/x
  3. Step 3: Cross multiply
    8,630,859.12x = 12,880,661.34 × 7,674,290.16
  4. Step 4: Simplify right side
    8,630,859.12x = 98,849,932,575,854.42
  5. Step 5: Solve for x
    x = 98,849,932,575,854.42/8,630,859.12
  6. Step 6: Final answer
    x = 11,453,081.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.