Home / 13,980,167.05-19,282,692.47-9,331,608.34

Finding the Fourth Proportional to 13,980,167.05, 19,282,692.47 and 9,331,608.34

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Solution

The fourth proportional to 13,980,167.05, 19,282,692.47 and 9,331,608.34 is: 12,870,985.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980,167.05 : 19,282,692.47 = 9,331,608.34 : x
  2. Step 2: Convert to fraction form
    13,980,167.05/19,282,692.47 = 9,331,608.34/x
  3. Step 3: Cross multiply
    13,980,167.05x = 19,282,692.47 × 9,331,608.34
  4. Step 4: Simplify right side
    13,980,167.05x = 179,938,533,870,707.19
  5. Step 5: Solve for x
    x = 179,938,533,870,707.19/13,980,167.05
  6. Step 6: Final answer
    x = 12,870,985.96

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1.5x scale

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.