Finding the Fourth Proportional to 9,352,312.40, 14,028,468.60 and 8,832,681.20
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Solution
The fourth proportional to 9,352,312.40, 14,028,468.60 and 8,832,681.20 is: 13,249,021.80
Step by Step Solution
- Step 1: Write the proportion equation
9,352,312.40 : 14,028,468.60 = 8,832,681.20 : x - Step 2: Convert to fraction form
9,352,312.40/14,028,468.60 = 8,832,681.20/x - Step 3: Cross multiply
9,352,312.40x = 14,028,468.60 × 8,832,681.20 - Step 4: Simplify right side
9,352,312.40x = 123,908,990,868,010.31 - Step 5: Solve for x
x = 123,908,990,868,010.31/9,352,312.40 - Step 6: Final answer
x = 13,249,021.80
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1.5x scale
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.