Home / 13,142,730.10-19,714,095.15-9,316,354.90

Finding the Fourth Proportional to 13,142,730.10, 19,714,095.15 and 9,316,354.90

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Solution

The fourth proportional to 13,142,730.10, 19,714,095.15 and 9,316,354.90 is: 13,974,532.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142,730.10 : 19,714,095.15 = 9,316,354.90 : x
  2. Step 2: Convert to fraction form
    13,142,730.10/19,714,095.15 = 9,316,354.90/x
  3. Step 3: Cross multiply
    13,142,730.10x = 19,714,095.15 × 9,316,354.90
  4. Step 4: Simplify right side
    13,142,730.10x = 183,663,506,949,768.72
  5. Step 5: Solve for x
    x = 183,663,506,949,768.72/13,142,730.10
  6. Step 6: Final answer
    x = 13,974,532.35

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Similar ratio
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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.