Home / 25,477,742.21-38,178,821.93-18,713,088.77

Finding the Fourth Proportional to 25,477,742.21, 38,178,821.93 and 18,713,088.77

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Solution

The fourth proportional to 25,477,742.21, 38,178,821.93 and 18,713,088.77 is: 28,041,875.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,477,742.21 : 38,178,821.93 = 18,713,088.77 : x
  2. Step 2: Convert to fraction form
    25,477,742.21/38,178,821.93 = 18,713,088.77/x
  3. Step 3: Cross multiply
    25,477,742.21x = 38,178,821.93 × 18,713,088.77
  4. Step 4: Simplify right side
    25,477,742.21x = 714,443,683,625,653.12
  5. Step 5: Solve for x
    x = 714,443,683,625,653.12/25,477,742.21
  6. Step 6: Final answer
    x = 28,041,875.84

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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.