Finding the Fourth Proportional to 19,062,830.40, 26,306,972.40 and 10,361,000.48
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Solution
The fourth proportional to 19,062,830.40, 26,306,972.40 and 10,361,000.48 is: 14,298,325.48
Step by Step Solution
- Step 1: Write the proportion equation
19,062,830.40 : 26,306,972.40 = 10,361,000.48 : x - Step 2: Convert to fraction form
19,062,830.40/26,306,972.40 = 10,361,000.48/x - Step 3: Cross multiply
19,062,830.40x = 26,306,972.40 × 10,361,000.48 - Step 4: Simplify right side
19,062,830.40x = 272,566,553,663,746.75 - Step 5: Solve for x
x = 272,566,553,663,746.75/19,062,830.40 - Step 6: Final answer
x = 14,298,325.48
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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.