Home / 39,931,911.20-59,897,866.80-13,005,567.20

Finding the Fourth Proportional to 39,931,911.20, 59,897,866.80 and 13,005,567.20

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Solution

The fourth proportional to 39,931,911.20, 59,897,866.80 and 13,005,567.20 is: 19,508,350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,931,911.20 : 59,897,866.80 = 13,005,567.20 : x
  2. Step 2: Convert to fraction form
    39,931,911.20/59,897,866.80 = 13,005,567.20/x
  3. Step 3: Cross multiply
    39,931,911.20x = 59,897,866.80 × 13,005,567.20
  4. Step 4: Simplify right side
    39,931,911.20x = 779,005,731,804,048.88
  5. Step 5: Solve for x
    x = 779,005,731,804,048.88/39,931,911.20
  6. Step 6: Final answer
    x = 19,508,350.80

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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.