Finding the Fourth Proportional to 19,977,981.95, 29,967,813.71 and 6,331,667.08
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Solution
The fourth proportional to 19,977,981.95, 29,967,813.71 and 6,331,667.08 is: 9,497,767.09
Step by Step Solution
- Step 1: Write the proportion equation
19,977,981.95 : 29,967,813.71 = 6,331,667.08 : x - Step 2: Convert to fraction form
19,977,981.95/29,967,813.71 = 6,331,667.08/x - Step 3: Cross multiply
19,977,981.95x = 29,967,813.71 × 6,331,667.08 - Step 4: Simplify right side
19,977,981.95x = 189,746,219,500,535.19 - Step 5: Solve for x
x = 189,746,219,500,535.19/19,977,981.95 - Step 6: Final answer
x = 9,497,767.09
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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.