Home / 51,424,526.06-70,967,892-28,220,483.40

Finding the Fourth Proportional to 51,424,526.06, 70,967,892 and 28,220,483.40

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Solution

The fourth proportional to 51,424,526.06, 70,967,892 and 28,220,483.40 is: 38,945,389.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,424,526.06 : 70,967,892 = 28,220,483.40 : x
  2. Step 2: Convert to fraction form
    51,424,526.06/70,967,892 = 28,220,483.40/x
  3. Step 3: Cross multiply
    51,424,526.06x = 70,967,892 × 28,220,483.40
  4. Step 4: Simplify right side
    51,424,526.06x = 2,002,748,218,118,992.75
  5. Step 5: Solve for x
    x = 2,002,748,218,118,992.75/51,424,526.06
  6. Step 6: Final answer
    x = 38,945,389.91

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.