Home / 30,646,368.63-45,955,719.23-8,781,746.81

Finding the Fourth Proportional to 30,646,368.63, 45,955,719.23 and 8,781,746.81

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Solution

The fourth proportional to 30,646,368.63, 45,955,719.23 and 8,781,746.81 is: 13,168,656.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,646,368.63 : 45,955,719.23 = 8,781,746.81 : x
  2. Step 2: Convert to fraction form
    30,646,368.63/45,955,719.23 = 8,781,746.81/x
  3. Step 3: Cross multiply
    30,646,368.63x = 45,955,719.23 × 8,781,746.81
  4. Step 4: Simplify right side
    30,646,368.63x = 403,571,490,475,620.81
  5. Step 5: Solve for x
    x = 403,571,490,475,620.81/30,646,368.63
  6. Step 6: Final answer
    x = 13,168,656.14

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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.