Home / 12,948,669.60-19,423,004.40-5,381,066.40

Finding the Fourth Proportional to 12,948,669.60, 19,423,004.40 and 5,381,066.40

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Solution

The fourth proportional to 12,948,669.60, 19,423,004.40 and 5,381,066.40 is: 8,071,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,669.60 : 19,423,004.40 = 5,381,066.40 : x
  2. Step 2: Convert to fraction form
    12,948,669.60/19,423,004.40 = 5,381,066.40/x
  3. Step 3: Cross multiply
    12,948,669.60x = 19,423,004.40 × 5,381,066.40
  4. Step 4: Simplify right side
    12,948,669.60x = 104,516,476,363,892.16
  5. Step 5: Solve for x
    x = 104,516,476,363,892.16/12,948,669.60
  6. Step 6: Final answer
    x = 8,071,599.60

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1.5x scale

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.