Home / 13,341,955.90-18,411,914.90-7,230,384.40

Finding the Fourth Proportional to 13,341,955.90, 18,411,914.90 and 7,230,384.40

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Solution

The fourth proportional to 13,341,955.90, 18,411,914.90 and 7,230,384.40 is: 9,977,939.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341,955.90 : 18,411,914.90 = 7,230,384.40 : x
  2. Step 2: Convert to fraction form
    13,341,955.90/18,411,914.90 = 7,230,384.40/x
  3. Step 3: Cross multiply
    13,341,955.90x = 18,411,914.90 × 7,230,384.40
  4. Step 4: Simplify right side
    13,341,955.90x = 133,125,222,267,087.56
  5. Step 5: Solve for x
    x = 133,125,222,267,087.56/13,341,955.90
  6. Step 6: Final answer
    x = 9,977,939.01

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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.