Home / 10,130,457.60-13,981,363.20-5,778,547.20

Finding the Fourth Proportional to 10,130,457.60, 13,981,363.20 and 5,778,547.20

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Solution

The fourth proportional to 10,130,457.60, 13,981,363.20 and 5,778,547.20 is: 7,975,154.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130,457.60 : 13,981,363.20 = 5,778,547.20 : x
  2. Step 2: Convert to fraction form
    10,130,457.60/13,981,363.20 = 5,778,547.20/x
  3. Step 3: Cross multiply
    10,130,457.60x = 13,981,363.20 × 5,778,547.20
  4. Step 4: Simplify right side
    10,130,457.60x = 80,791,967,171,543.03
  5. Step 5: Solve for x
    x = 80,791,967,171,543.03/10,130,457.60
  6. Step 6: Final answer
    x = 7,975,154.76

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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.