Home / 8,742,707.70-13,114,061.55-8,364,794.10

Finding the Fourth Proportional to 8,742,707.70, 13,114,061.55 and 8,364,794.10

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Solution

The fourth proportional to 8,742,707.70, 13,114,061.55 and 8,364,794.10 is: 12,547,191.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,707.70 : 13,114,061.55 = 8,364,794.10 : x
  2. Step 2: Convert to fraction form
    8,742,707.70/13,114,061.55 = 8,364,794.10/x
  3. Step 3: Cross multiply
    8,742,707.70x = 13,114,061.55 × 8,364,794.10
  4. Step 4: Simplify right side
    8,742,707.70x = 109,696,424,680,476.86
  5. Step 5: Solve for x
    x = 109,696,424,680,476.86/8,742,707.70
  6. Step 6: Final answer
    x = 12,547,191.15

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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.