Home / 12,359,430.80-18,501,821.40-10,866,438.80

Finding the Fourth Proportional to 12,359,430.80, 18,501,821.40 and 10,866,438.80

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Solution

The fourth proportional to 12,359,430.80, 18,501,821.40 and 10,866,438.80 is: 16,266,842.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359,430.80 : 18,501,821.40 = 10,866,438.80 : x
  2. Step 2: Convert to fraction form
    12,359,430.80/18,501,821.40 = 10,866,438.80/x
  3. Step 3: Cross multiply
    12,359,430.80x = 18,501,821.40 × 10,866,438.80
  4. Step 4: Simplify right side
    12,359,430.80x = 201,048,909,931,630.31
  5. Step 5: Solve for x
    x = 201,048,909,931,630.31/12,359,430.80
  6. Step 6: Final answer
    x = 16,266,842.15

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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.