Home / 28,865,549.36-39,834,140.99-15,634,397.10

Finding the Fourth Proportional to 28,865,549.36, 39,834,140.99 and 15,634,397.10

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Solution

The fourth proportional to 28,865,549.36, 39,834,140.99 and 15,634,397.10 is: 21,575,296.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865,549.36 : 39,834,140.99 = 15,634,397.10 : x
  2. Step 2: Convert to fraction form
    28,865,549.36/39,834,140.99 = 15,634,397.10/x
  3. Step 3: Cross multiply
    28,865,549.36x = 39,834,140.99 × 15,634,397.10
  4. Step 4: Simplify right side
    28,865,549.36x = 622,782,778,296,875.12
  5. Step 5: Solve for x
    x = 622,782,778,296,875.12/28,865,549.36
  6. Step 6: Final answer
    x = 21,575,296.23

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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.