Home / 27,477,328.47-37,918,713.43-15,087,421.92

Finding the Fourth Proportional to 27,477,328.47, 37,918,713.43 and 15,087,421.92

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Solution

The fourth proportional to 27,477,328.47, 37,918,713.43 and 15,087,421.92 is: 20,820,642.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,477,328.47 : 37,918,713.43 = 15,087,421.92 : x
  2. Step 2: Convert to fraction form
    27,477,328.47/37,918,713.43 = 15,087,421.92/x
  3. Step 3: Cross multiply
    27,477,328.47x = 37,918,713.43 × 15,087,421.92
  4. Step 4: Simplify right side
    27,477,328.47x = 572,095,628,181,980.38
  5. Step 5: Solve for x
    x = 572,095,628,181,980.38/27,477,328.47
  6. Step 6: Final answer
    x = 20,820,642.33

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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.