Finding the Fourth Proportional to 13,955,542.17, 19,258,875.45 and 7,676,317.68
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Solution
The fourth proportional to 13,955,542.17, 19,258,875.45 and 7,676,317.68 is: 10,593,443.40
Step by Step Solution
- Step 1: Write the proportion equation
13,955,542.17 : 19,258,875.45 = 7,676,317.68 : x - Step 2: Convert to fraction form
13,955,542.17/19,258,875.45 = 7,676,317.68/x - Step 3: Cross multiply
13,955,542.17x = 19,258,875.45 × 7,676,317.68 - Step 4: Simplify right side
13,955,542.17x = 147,837,246,113,752.94 - Step 5: Solve for x
x = 147,837,246,113,752.94/13,955,542.17 - Step 6: Final answer
x = 10,593,443.40
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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.