Home / 21,581,111.70-32,371,667.55-14,778,666.90

Finding the Fourth Proportional to 21,581,111.70, 32,371,667.55 and 14,778,666.90

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Solution

The fourth proportional to 21,581,111.70, 32,371,667.55 and 14,778,666.90 is: 22,168,000.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,111.70 : 32,371,667.55 = 14,778,666.90 : x
  2. Step 2: Convert to fraction form
    21,581,111.70/32,371,667.55 = 14,778,666.90/x
  3. Step 3: Cross multiply
    21,581,111.70x = 32,371,667.55 × 14,778,666.90
  4. Step 4: Simplify right side
    21,581,111.70x = 478,410,091,718,989.12
  5. Step 5: Solve for x
    x = 478,410,091,718,989.12/21,581,111.70
  6. Step 6: Final answer
    x = 22,168,000.35

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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.