Home / 53,196,038.40-79,794,057.60-12,806,522.40

Finding the Fourth Proportional to 53,196,038.40, 79,794,057.60 and 12,806,522.40

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Solution

The fourth proportional to 53,196,038.40, 79,794,057.60 and 12,806,522.40 is: 19,209,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,196,038.40 : 79,794,057.60 = 12,806,522.40 : x
  2. Step 2: Convert to fraction form
    53,196,038.40/79,794,057.60 = 12,806,522.40/x
  3. Step 3: Cross multiply
    53,196,038.40x = 79,794,057.60 × 12,806,522.40
  4. Step 4: Simplify right side
    53,196,038.40x = 1,021,884,386,041,290.25
  5. Step 5: Solve for x
    x = 1,021,884,386,041,290.25/53,196,038.40
  6. Step 6: Final answer
    x = 19,209,783.60

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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.