Home / 31,020,005.80-46,551,003.90-13,971,903.40

Finding the Fourth Proportional to 31,020,005.80, 46,551,003.90 and 13,971,903.40

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Solution

The fourth proportional to 31,020,005.80, 46,551,003.90 and 13,971,903.40 is: 20,967,311.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,020,005.80 : 46,551,003.90 = 13,971,903.40 : x
  2. Step 2: Convert to fraction form
    31,020,005.80/46,551,003.90 = 13,971,903.40/x
  3. Step 3: Cross multiply
    31,020,005.80x = 46,551,003.90 × 13,971,903.40
  4. Step 4: Simplify right side
    31,020,005.80x = 650,406,129,663,823.25
  5. Step 5: Solve for x
    x = 650,406,129,663,823.25/31,020,005.80
  6. Step 6: Final answer
    x = 20,967,311.67

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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.