Home / 12,630,767.50-17,430,471.50-6,829,547.70

Finding the Fourth Proportional to 12,630,767.50, 17,430,471.50 and 6,829,547.70

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Solution

The fourth proportional to 12,630,767.50, 17,430,471.50 and 6,829,547.70 is: 9,424,782.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,630,767.50 : 17,430,471.50 = 6,829,547.70 : x
  2. Step 2: Convert to fraction form
    12,630,767.50/17,430,471.50 = 6,829,547.70/x
  3. Step 3: Cross multiply
    12,630,767.50x = 17,430,471.50 × 6,829,547.70
  4. Step 4: Simplify right side
    12,630,767.50x = 119,042,236,542,740.55
  5. Step 5: Solve for x
    x = 119,042,236,542,740.55/12,630,767.50
  6. Step 6: Final answer
    x = 9,424,782.50

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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.