Home / 19,429,681.40-29,144,522.10-18,869,809.40

Finding the Fourth Proportional to 19,429,681.40, 29,144,522.10 and 18,869,809.40

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Solution

The fourth proportional to 19,429,681.40, 29,144,522.10 and 18,869,809.40 is: 28,304,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,429,681.40 : 29,144,522.10 = 18,869,809.40 : x
  2. Step 2: Convert to fraction form
    19,429,681.40/29,144,522.10 = 18,869,809.40/x
  3. Step 3: Cross multiply
    19,429,681.40x = 29,144,522.10 × 18,869,809.40
  4. Step 4: Simplify right side
    19,429,681.40x = 549,951,577,081,087.75
  5. Step 5: Solve for x
    x = 549,951,577,081,087.75/19,429,681.40
  6. Step 6: Final answer
    x = 28,304,714.10

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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.