Home / 20,494,547.10-28,281,702-11,202,038.77

Finding the Fourth Proportional to 20,494,547.10, 28,281,702 and 11,202,038.77

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Solution

The fourth proportional to 20,494,547.10, 28,281,702 and 11,202,038.77 is: 15,458,390.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,494,547.10 : 28,281,702 = 11,202,038.77 : x
  2. Step 2: Convert to fraction form
    20,494,547.10/28,281,702 = 11,202,038.77/x
  3. Step 3: Cross multiply
    20,494,547.10x = 28,281,702 × 11,202,038.77
  4. Step 4: Simplify right side
    20,494,547.10x = 316,812,722,285,586.50
  5. Step 5: Solve for x
    x = 316,812,722,285,586.50/20,494,547.10
  6. Step 6: Final answer
    x = 15,458,390.99

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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.