Home / 12,480,801.40-18,721,202.10-7,106,030.20

Finding the Fourth Proportional to 12,480,801.40, 18,721,202.10 and 7,106,030.20

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Solution

The fourth proportional to 12,480,801.40, 18,721,202.10 and 7,106,030.20 is: 10,659,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,480,801.40 : 18,721,202.10 = 7,106,030.20 : x
  2. Step 2: Convert to fraction form
    12,480,801.40/18,721,202.10 = 7,106,030.20/x
  3. Step 3: Cross multiply
    12,480,801.40x = 18,721,202.10 × 7,106,030.20
  4. Step 4: Simplify right side
    12,480,801.40x = 133,033,427,502,903.44
  5. Step 5: Solve for x
    x = 133,033,427,502,903.44/12,480,801.40
  6. Step 6: Final answer
    x = 10,659,045.30

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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.