Home / 19,044,492.84-28,518,244.20-12,547,872.12

Finding the Fourth Proportional to 19,044,492.84, 28,518,244.20 and 12,547,872.12

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Solution

The fourth proportional to 19,044,492.84, 28,518,244.20 and 12,547,872.12 is: 18,789,856.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,044,492.84 : 28,518,244.20 = 12,547,872.12 : x
  2. Step 2: Convert to fraction form
    19,044,492.84/28,518,244.20 = 12,547,872.12/x
  3. Step 3: Cross multiply
    19,044,492.84x = 28,518,244.20 × 12,547,872.12
  4. Step 4: Simplify right side
    19,044,492.84x = 357,843,281,308,531.69
  5. Step 5: Solve for x
    x = 357,843,281,308,531.69/19,044,492.84
  6. Step 6: Final answer
    x = 18,789,856.17

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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.