Home / 20,707,444.95-31,060,875.83-9,347,875.35

Finding the Fourth Proportional to 20,707,444.95, 31,060,875.83 and 9,347,875.35

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Solution

The fourth proportional to 20,707,444.95, 31,060,875.83 and 9,347,875.35 is: 14,021,681.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,707,444.95 : 31,060,875.83 = 9,347,875.35 : x
  2. Step 2: Convert to fraction form
    20,707,444.95/31,060,875.83 = 9,347,875.35/x
  3. Step 3: Cross multiply
    20,707,444.95x = 31,060,875.83 × 9,347,875.35
  4. Step 4: Simplify right side
    20,707,444.95x = 290,353,195,473,928.38
  5. Step 5: Solve for x
    x = 290,353,195,473,928.38/20,707,444.95
  6. Step 6: Final answer
    x = 14,021,681.39

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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.