Home / 13,980,160.83-19,282,683.87-9,331,602.11

Finding the Fourth Proportional to 13,980,160.83, 19,282,683.87 and 9,331,602.11

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Solution

The fourth proportional to 13,980,160.83, 19,282,683.87 and 9,331,602.11 is: 12,870,977.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980,160.83 : 19,282,683.87 = 9,331,602.11 : x
  2. Step 2: Convert to fraction form
    13,980,160.83/19,282,683.87 = 9,331,602.11/x
  3. Step 3: Cross multiply
    13,980,160.83x = 19,282,683.87 × 9,331,602.11
  4. Step 4: Simplify right side
    13,980,160.83x = 179,938,333,391,341.56
  5. Step 5: Solve for x
    x = 179,938,333,391,341.56/13,980,160.83
  6. Step 6: Final answer
    x = 12,870,977.35

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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.