Home / 8,429,134.08-11,630,952.96-5,119,705.92

Finding the Fourth Proportional to 8,429,134.08, 11,630,952.96 and 5,119,705.92

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Solution

The fourth proportional to 8,429,134.08, 11,630,952.96 and 5,119,705.92 is: 7,064,433.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429,134.08 : 11,630,952.96 = 5,119,705.92 : x
  2. Step 2: Convert to fraction form
    8,429,134.08/11,630,952.96 = 5,119,705.92/x
  3. Step 3: Cross multiply
    8,429,134.08x = 11,630,952.96 × 5,119,705.92
  4. Step 4: Simplify right side
    8,429,134.08x = 59,547,058,724,553.52
  5. Step 5: Solve for x
    x = 59,547,058,724,553.52/8,429,134.08
  6. Step 6: Final answer
    x = 7,064,433.68

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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.