Finding the Fourth Proportional to 13,249,730.16, 19,878,794.28 and 4,729,878
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Solution
The fourth proportional to 13,249,730.16, 19,878,794.28 and 4,729,878 is: 7,096,315.97
Step by Step Solution
- Step 1: Write the proportion equation
13,249,730.16 : 19,878,794.28 = 4,729,878 : x - Step 2: Convert to fraction form
13,249,730.16/19,878,794.28 = 4,729,878/x - Step 3: Cross multiply
13,249,730.16x = 19,878,794.28 × 4,729,878 - Step 4: Simplify right side
13,249,730.16x = 94,024,271,731,497.84 - Step 5: Solve for x
x = 94,024,271,731,497.84/13,249,730.16 - Step 6: Final answer
x = 7,096,315.97
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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.