Home / 42,605,999.40-63,908,999.10-11,900,519.40

Finding the Fourth Proportional to 42,605,999.40, 63,908,999.10 and 11,900,519.40

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Solution

The fourth proportional to 42,605,999.40, 63,908,999.10 and 11,900,519.40 is: 17,850,779.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,605,999.40 : 63,908,999.10 = 11,900,519.40 : x
  2. Step 2: Convert to fraction form
    42,605,999.40/63,908,999.10 = 11,900,519.40/x
  3. Step 3: Cross multiply
    42,605,999.40x = 63,908,999.10 × 11,900,519.40
  4. Step 4: Simplify right side
    42,605,999.40x = 760,550,283,624,132.62
  5. Step 5: Solve for x
    x = 760,550,283,624,132.62/42,605,999.40
  6. Step 6: Final answer
    x = 17,850,779.10

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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.