Finding the Fourth Proportional to 19,429,271.84, 29,145,307.76 and 7,462,007.84
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Solution
The fourth proportional to 19,429,271.84, 29,145,307.76 and 7,462,007.84 is: 11,193,549.44
Step by Step Solution
- Step 1: Write the proportion equation
19,429,271.84 : 29,145,307.76 = 7,462,007.84 : x - Step 2: Convert to fraction form
19,429,271.84/29,145,307.76 = 7,462,007.84/x - Step 3: Cross multiply
19,429,271.84x = 29,145,307.76 × 7,462,007.84 - Step 4: Simplify right side
19,429,271.84x = 217,482,515,004,332.84 - Step 5: Solve for x
x = 217,482,515,004,332.84/19,429,271.84 - Step 6: Final answer
x = 11,193,549.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.