Home / 14,172,030.60-21,258,045.90-7,801,931.40

Finding the Fourth Proportional to 14,172,030.60, 21,258,045.90 and 7,801,931.40

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Solution

The fourth proportional to 14,172,030.60, 21,258,045.90 and 7,801,931.40 is: 11,702,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172,030.60 : 21,258,045.90 = 7,801,931.40 : x
  2. Step 2: Convert to fraction form
    14,172,030.60/21,258,045.90 = 7,801,931.40/x
  3. Step 3: Cross multiply
    14,172,030.60x = 21,258,045.90 × 7,801,931.40
  4. Step 4: Simplify right side
    14,172,030.60x = 165,853,815,809,851.25
  5. Step 5: Solve for x
    x = 165,853,815,809,851.25/14,172,030.60
  6. Step 6: Final answer
    x = 11,702,897.10

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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.