Home / 15,457,069.10-21,334,633.35-8,934,487.40

Finding the Fourth Proportional to 15,457,069.10, 21,334,633.35 and 8,934,487.40

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Solution

The fourth proportional to 15,457,069.10, 21,334,633.35 and 8,934,487.40 is: 12,331,834.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,457,069.10 : 21,334,633.35 = 8,934,487.40 : x
  2. Step 2: Convert to fraction form
    15,457,069.10/21,334,633.35 = 8,934,487.40/x
  3. Step 3: Cross multiply
    15,457,069.10x = 21,334,633.35 × 8,934,487.40
  4. Step 4: Simplify right side
    15,457,069.10x = 190,614,012,849,194.81
  5. Step 5: Solve for x
    x = 190,614,012,849,194.81/15,457,069.10
  6. Step 6: Final answer
    x = 12,331,834.17

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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.