Home / 13,012,057.60-19,494,466.80-10,602,858.40

Finding the Fourth Proportional to 13,012,057.60, 19,494,466.80 and 10,602,858.40

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Solution

The fourth proportional to 13,012,057.60, 19,494,466.80 and 10,602,858.40 is: 15,885,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012,057.60 : 19,494,466.80 = 10,602,858.40 : x
  2. Step 2: Convert to fraction form
    13,012,057.60/19,494,466.80 = 10,602,858.40/x
  3. Step 3: Cross multiply
    13,012,057.60x = 19,494,466.80 × 10,602,858.40
  4. Step 4: Simplify right side
    13,012,057.60x = 206,697,071,063,901.12
  5. Step 5: Solve for x
    x = 206,697,071,063,901.12/13,012,057.60
  6. Step 6: Final answer
    x = 15,885,041.20

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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.