Home / 27,527,341.21-37,978,432.80-15,604,875.75

Finding the Fourth Proportional to 27,527,341.21, 37,978,432.80 and 15,604,875.75

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Solution

The fourth proportional to 27,527,341.21, 37,978,432.80 and 15,604,875.75 is: 21,529,457.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,527,341.21 : 37,978,432.80 = 15,604,875.75 : x
  2. Step 2: Convert to fraction form
    27,527,341.21/37,978,432.80 = 15,604,875.75/x
  3. Step 3: Cross multiply
    27,527,341.21x = 37,978,432.80 × 15,604,875.75
  4. Step 4: Simplify right side
    27,527,341.21x = 592,648,725,023,724.50
  5. Step 5: Solve for x
    x = 592,648,725,023,724.50/27,527,341.21
  6. Step 6: Final answer
    x = 21,529,457.59

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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.