Home / 14,977,358.92-20,662,190.40-8,779,263.40

Finding the Fourth Proportional to 14,977,358.92, 20,662,190.40 and 8,779,263.40

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Solution

The fourth proportional to 14,977,358.92, 20,662,190.40 and 8,779,263.40 is: 12,111,535.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,977,358.92 : 20,662,190.40 = 8,779,263.40 : x
  2. Step 2: Convert to fraction form
    14,977,358.92/20,662,190.40 = 8,779,263.40/x
  3. Step 3: Cross multiply
    14,977,358.92x = 20,662,190.40 × 8,779,263.40
  4. Step 4: Simplify right side
    14,977,358.92x = 181,398,811,942,551.34
  5. Step 5: Solve for x
    x = 181,398,811,942,551.34/14,977,358.92
  6. Step 6: Final answer
    x = 12,111,535.35

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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.