Finding the Fourth Proportional to 48,115,536.60, 72,176,069.70 and 14,042,141.40
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Solution
The fourth proportional to 48,115,536.60, 72,176,069.70 and 14,042,141.40 is: 21,064,018.99
Step by Step Solution
- Step 1: Write the proportion equation
48,115,536.60 : 72,176,069.70 = 14,042,141.40 : x - Step 2: Convert to fraction form
48,115,536.60/72,176,069.70 = 14,042,141.40/x - Step 3: Cross multiply
48,115,536.60x = 72,176,069.70 × 14,042,141.40 - Step 4: Simplify right side
48,115,536.60x = 1,013,506,576,423,655.62 - Step 5: Solve for x
x = 1,013,506,576,423,655.62/48,115,536.60 - Step 6: Final answer
x = 21,064,018.99
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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.