Finding the Fourth Proportional to 8,663,291.16, 11,955,482.76 and 4,742,981.12
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Solution
The fourth proportional to 8,663,291.16, 11,955,482.76 and 4,742,981.12 is: 6,545,391.12
Step by Step Solution
- Step 1: Write the proportion equation
8,663,291.16 : 11,955,482.76 = 4,742,981.12 : x - Step 2: Convert to fraction form
8,663,291.16/11,955,482.76 = 4,742,981.12/x - Step 3: Cross multiply
8,663,291.16x = 11,955,482.76 × 4,742,981.12 - Step 4: Simplify right side
8,663,291.16x = 56,704,629,011,165.49 - Step 5: Solve for x
x = 56,704,629,011,165.49/8,663,291.16 - Step 6: Final answer
x = 6,545,391.12
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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.